what is viva thesis

• PhD Viva Voces – A Complete Guide
• Doing a PhD
• A PhD viva involves defending your thesis in an oral examination with at least two examiners.
• The aim of a PhD viva is to confirm that the work is your own , that you have a deep understanding of your project and, overall, that you are a competent researcher .
• There are no standard durations, but they usually range from one to three hours, with most lasting approximately two hours .
• There are six outcomes of a PhD viva: (1) pass without corrections (2) pass subject to minor corrections, (3) pass subject to major corrections, (4) downgrade to MPhil with no amendments, (5) downgrade to MPhil subject to amendments, (6) immediate fail.
• Almost all students who sit their viva pass it, with the most common outcome being ‘(2) – pass subject to minor corrections’.

What Is a PhD Viva?

A viva voce , more commonly referred to as ‘viva’, is an oral examination conducted at the end of your PhD and is essentially the final hurdle on the path to a doctorate. It is the period in which a student’s knowledge and work are evaluated by independent examiners.

In order to assess the student and their work around their research question, a viva sets out to determine:

• you understand the ideas and theories that you have put forward,
• you can answer questions about elements of your work that the examiners have questions about,
• you understand the broader research in your field and how your work contributes to this,
• you are aware of the limitations of your work and understand how it can be developed further,
• your work makes an original contribution, is your own and has not been plagiarised.

Note: A viva is a compulsory procedure for all PhD students, with the only exception being when a PhD is obtained through publication as opposed to the conventional route of study.

Who Will Attend a Viva?

In the UK, at least two examiners must take part in all vivas. Although you could have more than two examiners, most will not in an attempt to facilitate a smoother questioning process.

One of the two examiners will be internal, i.e. from your university, and the other will be external, i.e. from another university. Regardless, both will be knowledgeable in your research field and have read your thesis beforehand.

In addition to your two examiners, two other people may be present. The first is a chairperson. This is an individual who will be responsible for monitoring the interview and for ensuring proper conduct is followed at all times. The need for an external chairperson will vary between universities, as one of the examiners can also take on this role. The second is your supervisor, whose attendance is decided upon by you in agreement with your examiners. If your supervisor attends, they are prohibited from asking questions or from influencing the outcome of the viva.

To avoid any misunderstandings, we have summarised the above in a table:

Note: In some countries, such as in the United States, a viva is known as a ‘PhD defense’ and is performed publicly in front of a panel or board of examiners and an open audience. In these situations, the student presents their work in the form of a lecture and then faces questions from the examiners and audience which almost acts as a critical appraisal.

How Long Does a Viva Last?

Since all universities have different guidelines , and since all PhDs are unique, there are no standard durations. Typically, however, the duration ranges from one to three hours, with most lasting approximately two hours.

Your examiners will also influence the duration of your viva as some will favour a lengthy discussion, while others may not. Usually, your university will consult your examiners in advance and notify you of the likely duration closer to the day of your viva.

What Happens During a Viva?

Regardless of the subject area, all PhD vivas follow the same examination process format as below.

Introductions

You will introduce yourselves to each other, with the internal examiner normally introducing the external examiner. If an external chairperson is present, they too are introduced; otherwise, this role will be assumed by one of the examiners.

Procedure Explained

After the introductions, the appointed chair will explain the viva process. Although it should already be known to everyone, it will be repeated to ensure the viva remains on track during the forthcoming discussion.

Warm-Up Questions

The examiners will then begin the questioning process. This usually starts with a few simple opening questions, such as asking you to summarise your PhD thesis and what motivated you to carry out the research project.

In-Depth Questions

The viva questions will then naturally increase in difficulty as the examiners go further into the details of your thesis. These may include questions such as “What was the most critical decision you made when determining your research methodology ?”, “Do your findings agree with the current published work?” and “How do your findings impact existing theories or literature? ”. In addition to asking open-ended questions, they will also ask specific questions about the methodology, results and analysis on which your thesis is based.

Closing the Viva

Once the examiners are satisfied that they have thoroughly evaluated your knowledge and thesis, they will invite you to ask any questions you may have, and then bring the oral examination to a close.

What Happens After the Viva?

Once your viva has officially ended, your examiners will ask you to leave the room so that they can discuss your performance. Once a mutual agreement has been reached, which can take anywhere from 10 minutes to an hour, you will be invited back inside and informed of your outcome.

PhD Viva Outcomes

There are six possible outcomes to a viva:

• Immediate award of degree: A rare recommendation – congratulations, you are one of the few people who completely satisfied your examiners the first time around. You do not have to do anything further at this point.
• Minor amendments required: The most common recommendation – you obtain a pass on the condition that you make a number of minor amendments to your thesis, such as clarifying certain points and correcting grammatical errors. The time you have to make these changes depends on the number of them, but is usually one to six months.
• Major amendments required: A somewhat uncommon recommendation – you are requested to make major amendments to your thesis, ranging from further research to collecting more data or rewriting entire sections. Again, the time you have to complete this will depend on the number of changes required, but will usually be six months to one year. You will be awarded your degree once your amended thesis has been reviewed and accepted.
• Immediate award of MPhil: An uncommon recommendation – your examiners believe your thesis does not meet the standard for a doctoral degree but meets the standard for an MPhil (Master of Philosophy), a lower Master’s degree.
• Amendments required for MPhil: A rare recommendation – your examiners believe your thesis does not meet the standard for a doctoral degree, but with several amendments will meet the standard for an MPhil.
• Immediate fail: A very rare recommendation – you are given an immediate fail without the ability to resubmit and without entitlement to an MPhil.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

What Is the Pass Rate for Vivas?

Based on an  analysis of 26,076 PhD students  who took their viva exam between 2006 and 2017, the PhD viva pass rate in the UK is 96%; of those who passed, about 80% were required to make minor amendments to their thesis. The reason for this high pass rate is that supervisors will only put their students forward for a viva once they confidently believe they are ready for it. As a result, most candidates who sit a viva are already well-versed in their PhD topic before they even start preparing for the exam.

How Do I Arrange a Viva?

Your viva will be arranged either by the examiners or by the chairperson. The viva will be arranged at least one to two months after you have submitted your thesis and will arrange a viva date and venue that is suitable for all participants.

Can I Choose My Examiners?

At most universities, you and your supervisor will choose the internal and external examiners yourselves. This is because the examiners must have extensive knowledge of the thesis topic in order to be able to examine you and, as the author of the thesis in question, who else could better determine who they might be than you and your supervisor. The internal examiner is usually quite easy to find given they will be from your institution, but the external examiner may end up being your second or third preference depending on availability.

Can I Take Notes Into a Viva?

A viva is about testing your competence, not your memory. As such, you are allowed to take notes and other supporting material in with you. However, keep in mind that your examiners will not be overly impressed if you constantly have to refer to your notes to answer each question. Because of this, many students prefer to take an annotated copy of their thesis, with important points already highlighted and key chapters marked with post-it notes.

In addition to an annotated copy of a thesis, some students also take:

• a list of questions they would like to ask the examiners,
• notes that were created during their preparation,
• a list of minor corrections they have already identified from their viva prep work.

How Do I Prepare for a PhD Viva?

There are several ways to prepare for a PhD viva, one of the most effective being a mock viva voce examination . This allows you to familiarise yourself with the type of viva questions you will be asked and identify any weak areas you need to improve. They also give you the opportunity to practise without the pressure, giving you more time to think about your answers which will help to make sure that you know your thesis inside out. However, a mock viva exam is just one of many methods available to you – some of the other viva preparation methods can be found on our “ How to Prepare for a PhD Viva ” page.

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Defending your doctoral thesis: the PhD viva

Format for defending a doctoral thesis.

Every institution will have specific regulations for the thesis defence. In some countries or institutions, the convention is for thesis defences to be public events where you will give a lecture explaining your research, followed by a discussion with a panel of examiners (opponents). Both your examiners and the audience are able to ask questions.

In other countries, including the UK, the oral examination is usually conducted behind closed doors by at least two examiners, usually with at least one being from another institution (external examiner) and an expert in your topic of research. In the UK the supervisor does not participate in the viva, but may be allowed to observe. Sometimes someone from your own institution is appointed as an independent chair. Although it is now becoming more common for the candidate to have an opportunity to give a public lecture in UK institutions, this does not form part of the examination and may or may not be attended by the examiners.

Viva preparation

Take the preparation for your viva seriously and devote a substantial amount of time to it. The viva preparation checklist may be useful to help you prepare.

Your institution may offer courses on viva preparation and there may be opportunities to organise a practice viva. Take advantage of these opportunities: they can be extremely valuable experiences.

Things you may wish to take with you

• your thesis – mildly annotated if you wish
• a list of questions that you might be asked and your planned responses
• any questions that you want to ask your examiners
• additional notes which you have made during your revision
• list of minor corrections that you have come across during your revision.

During the viva

Your study will have strengths and weaknesses: it is essential that you are prepared to discuss both. You could think of any weaknesses as an opportunity to demonstrate your skill at critical appraisal. Examiners will seek to find and discuss weaknesses in all theses. Do not interpret criticism as indication of a possible negative outcome.

Examiners have different personalities, styles and levels of experience. Sometimes a candidate may feel that a challenge is made in a confrontational way. Experienced, effective examiners will not be inappropriately confrontational, but some will. Do not take offence. A relaxed, thoughtful, and non-confrontational response from you will help re-balance the discussion. Having an independent chair can help maintain a constructive environment.

Useful tips for during your viva:

• Ask for clarification of ambiguous questions or ask for the question to be repeated if necessary
• Take time to think before answering
• Be prepared to ask questions and enter into a dialogue with your examiners
• Be prepared to discuss your research in context of other work done in your field
• Be ready to admit if you don't know the answer to a question
• Be prepared to express opinions of your own

You are not expected to have perfect recall of your thesis and everything that you have read and done. If you get flustered, or need to refer to notes your examiners will understand. They have been in your situation themselves!

After your viva

There are several possible outcomes   of a thesis defence. Most commonly, your examiners will recommend to your institution that you are awarded your degree subject to minor corrections, although in some instances they might ask for more substantial work.

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Viva examinations: guidance

This guidance explains the viva process, how to prepare, what will happen on the day and what the possible outcomes are.

This information is for postgraduate research students. It covers:

• before your viva
• preparing for your viva
• during your viva
• outcomes of the examination

Before your viva

Entry forms.

You must enter the exam via Portico about four months before you are ready to submit. You may not submit your thesis until you have entered for the examination and your examination may be delayed if you have not done this.  

Find out more about examination entry

Your supervisor is responsible for arranging the appointment of your examiners. This should be done at the same time as you complete your examination entry form, four months before you are due to submit your thesis. Examiners are appointed by UCL for their professional services as examiners with expert subject knowledge. A minimum of two examiners, one from outside UCL and (normally) one from UCL are appointed to co-examine all research degree candidates. The examiner nomination form can be found here .

Submit your thesis

Find out more about formatting, binding and submitting your thesis.

Collaborative research projects

If you are contributing to a collaborative research project you must include this information in the introduction to the thesis. You must clearly identify the demarcation between the research you are submitting for examination as an original contribution to knowledge and the work of your collaborators. 

Viva arrangements

Your supervisor (or nominee) will liaise with you and your examiners to arrange and confirm a mutually convenient time and place to hold the viva examination. The viva must not be arranged before the examiners are formally appointed by UCL. It may take place at UCL, or remotely. Your examiners should have your thesis at least six working weeks before the viva and you will receive an email once the thesis has been sent to the examiners. At this point, you will be able to record the viva via the ‘Research Student Administration’ section in Portico. A user guide is available with step-by-step instructions for submitting this information. Your viva should then take place within three months of the dispatch of the thesis to your examiners.

Download the viva notification user guide

Reasonable adjustments

If you or one of your examiners have a disability which UCL cannot accommodate, other reasonable arrangements can be made for the viva. You must make a request in writing when you complete the examination entry form to allow time for arrangements to be made. 

Preparing for your viva

We recommend that you re-read your thesis. Try to anticipate questions, comments and criticisms, and think how you would respond. Although you may not be able to anticipate actual questions to be asked by the examiners, this approach will encourage you to think actively about your work.   You should also refresh your memory of the relevant literature. Do not attempt to re-read every paper in the bibliography of your thesis; instead, re-read carefully some of the more recent key references. If you have left university after submitting your thesis you may be unaware of very recent work. Ask your supervisor a couple of weeks before the viva whether any work of direct relevance to your thesis has been published since you submitted your thesis.

You must not contact your examiners directly at any point leading up to the viva or afterwards.  All contact should be done by your supervisor or other relevant departmental staff member.  

A good way to prepare for your viva is to practice. Your supervisor should give you a mock viva, or arrange for this to be undertaken by a member of your upgrade panel.  

During your viva

A viva is an academic interview at which your examiners will be looking for an understanding of the subject matter of your thesis, an appreciation of its significance to established knowledge in the field, and an awareness of the breadth of the subject area. 

Your supervisor will be invited to attend your viva examination, unless you request otherwise; you must indicate this on your examination entry form. Your supervisor does not have the right to participate in the viva examination but may contribute if invited to do so by the examiners.  

The examiners will expect you to:

• show a critical analysis of your own work and of that of others
• appreciate the limitations of the methods employed and the results obtained by yourself and others
• understand how the broad conclusions of your thesis support, add to or conflict with previous work
• know the major concepts and recent developments in your subject

There is no formal procedure laid down for the conduct of the viva examination. Some examiners prefer to work through the thesis in the order in which it is written. Other examiners prefer to discuss topics. Very few examiners will perform a page by page criticism. You may be asked to prepare a presentation of your work in a suitable format.  

You are not expected to know your thesis by heart, but to refer to the appropriate page when the examiners wish to discuss a specific point. Please ensure that you bring to the viva examination a copy of your thesis paginated in the same way as the copies you have submitted to the Research Degree Examinations Office.

You should not simply answer 'yes' or 'no' to questions nor give a prepared exposition. Try to answer the question as it is put, remembering that you are engaged in an academic conversation.

Be prepared to justify your ideas and conclusions. If the examiners challenge your interpretation but you feel that your case is a good one, muster your arguments and be willing to present your case firmly but courteously. However, if the examiners have identified a genuine weakness, concede the point gracefully. Even if you feel the examiners are unreasonably critical do not become argumentative or allow the discussion to become heated. You can agree to differ and to reconsider the point. All participants in the viva must abide by UCL's Bullying and Harassment Policy . If you make any comments to your examiners which put them under moral pressure, for example alluding to what will happen if they fail you, or if you offer any incentive to your examiners to pass you, they must terminate the examination and report to the Chair of the Research Degrees Committee via Research Degrees in Student and Registry Services.

Outcome of the examination

The following are the three most often received results and the subsequent procedures.

We will email you with reports from your examiners, copied to your supervisor, instructing you to submit the following documents:

• the electronic copy of your thesis 
• thesis deposit agreement form (uploaded with the e-thesis)

We will award your degree once you have met the academic conditions, the Library have confirmed receipt of your e-thesis and the Deposit Agreement form, and you have cleared any outstanding fees. 

The electronic copy of your thesis and thesis deposit agreement form should be deposited to the Library via UCL's Research Publications Service. Please make sure that you remove, or blank out, all personal identifiers such as signatures, addresses and telephone numbers from the e-thesis. Any photographs that you have taken should not show identifiable individuals without their permission and any you have taken of children should mask their faces. If you have any queries regarding this aspect of the process, please contact the Library directly.

UCL no longer requires a printed copy of your final thesis. If you do wish to deposit a hard copy you can do so by sending it directly to the Cataloguing & Metadata department of Library Services by post, or in person at the Main Library help desk.  You will find more information about the process on the existing webpage for e-thesis submission. 

Find out more about depositing an electronic and printed copy of your thesis

Once you have submitted these, we will send an email containing the confirmation of award and your reports to your email address you have recorded on Portico. The degree certificate will follow approximately four months after the official award date.

In the case of an examination for specialist doctorates (including the EngD, EdD and MPhilStud), the award of the degree is also conditional upon students passing all taught elements of their programme of study. The modules should be entered on to Portico by the Department and confirmation these elements have been completed will be passed from the Examinations Department to Research Degrees.

Minor corrections

This is by far the most common result received from the examiners. 

We will email you with reports from your examiners, copied to your supervisor and Faculty Graduate Tutor. The deadline to submit your corrections officially starts from the date of this email, which will also indicate the name of the person designated to check your corrections. This deadline is for you to submit the corrections to the designated checker, and not to submit the final copy of your thesis.

Your examiners may have returned an annotated copy of your thesis to you and therefore you may already be aware of the work required. The designated checker should inform you of the format he/she expects to receive the corrections, although normally this will be in electronic format.

The designated checker should confirm the outcome of the examination within one month of receipt of the minor corrections to the thesis. This is usually done by sending an email directly to Research Degrees.

Once this has been received we will follow the procedure for a pass result.

Resubmission in a revised form

We will email you with reports from your examiners, copied to your supervisor, Departmental Graduate Tutor and Faculty Graduate Tutor. The 12 or 18 month deadline officially starts from the date of this email.

Unlike the outcome for minor corrections, where one person checks the amendments, the resubmission requires you to re-enter for the examination and submit two copies of your thesis for forwarding to the examiners. 

Your examiners may have returned an annotated copy of your thesis to you and therefore you may already be aware of the work required. 

Once you have completed the corrections, you will need to:

• submit a new exam entry form to Research Degrees at least two weeks prior to the expected submission of the thesis
• submit an electronic copy of your thesis to Research Degrees via the UCL Dropbox.  

Find out more about formatting, binding and submitting your thesis. Your supervisor will be emailed to confirm that the examiners are still willing to act and provide their current contact details. This is to avoid the thesis from being sent out incorrectly. We will then send an email to your supervisor and examiners reconfirming their appointment and send the thesis to them via the UCL Dropbox.

If the examiners have requested a second viva, your supervisor will arrange this. In these circumstances, the procedure will follow that of a typical research degree examination.

If a further viva is not required, your examiners are only required to submit a joint report. They cannot award another 18 month resubmission, but can allow minor corrections.

Once the reports are received we will follow the procedure for either the pass or minor corrections result.

Other results

If the result falls outside the above descriptions, we will email you detailing the procedure you will need to follow.

Related content

• Research degrees: examination entry
• Format, bind and submit your thesis
• Doctoral school

What is a viva? PhD viva, viva voce, viva process and more

If you are a PhD candidate and preparing to take the biggest step in your academic journey, you might be overwhelmed by the thought of your impending viva voce or the oral defense of your thesis.

Worry not, we are here to demystify the process and provide you with actionable tips to successfully navigate this crucial academic milestone.

Here, we will guide you through the viva process, shed light on the perspective of your examiners, and help you understand how to prepare for this pivotal examination. 

Whether you’re just beginning to wrap your head around what a viva entails or are already deep in the trenches of preparation, this blog is designed to offer you comprehensive, step-by-step guidance.

By understanding the process, expectations, and preparing effectively, you can walk into your viva with confidence, ready to defend your thesis and demonstrate your deep understanding of your research area.

What is a PhD viva or viva voce?

A PhD viva or viva voce is an oral examination where you defend your thesis in front of internal examiner(s) from your institution and/or external examiner(s) from another institution specializing in your subject area.

There may be up to 5 people on your viva panel. 

They are testing your knowledge and thought processed to be admitted into the degree.

Typically lasting for an hour and a half to two hours, the viva is a conversation between experts, giving you the chance to elaborate and clarify your research.

Preparation for the viva can involve ongoing conversations, with supervisors and focused development after thesis submission.

As the viva voce derives from the Latin for ‘living voice,’ let your passion for your research come alive in your defense.

As nerve-wracking as it might be, remember to relax and use this opportunity to share your contribution to your field. 

Supervisors will (or at least should) conduct mock vivas to help you prepare for questions and build confidence. Ask for a mock viva if one is not offered by your supervisor. 

During the viva, your supervisor may be present as a silent observer, ensuring examination conduct.

Outcomes of a viva range from:

• passing without corrections,
• passing with minor or major corrections,
• or not passing at all.

Examiners won’t necessarily spot all mistakes, but they read your work thoroughly, engage in a comprehensive discussion, and submit independent reports before the viva.

Understand what’s expected of you in your viva (Examiner point of view)

From an examiner’s point of view, in your viva, you are expected to confidently explain and defend your thesis.

You should be well-prepared, recognizing that examiners will carefully read your work and may identify minor mistakes.

Keep in mind that examiners may not know your thesis as well as you, so be prepared to clarify and elaborate on your research. 

They may ask some really simple and basic questions of you – particularly early on in your thesis defense.

It is essential to demonstrate your understanding of the topic and address any questions posed by the examiners.

You may have the option to include your supervisor or other supportive figures from your institution during the viva for moral support and to witness the examination’s conduct.

Understand that examiners typically work independently and exchange reports just before the viva, so be ready to engage in a comprehensive discussion about your work.

Focus on showcasing your:

• research abilities, and
• significance of your thesis

during the viva.

How to prepare for your viva exam

To prepare for a PhD viva, follow these actionable steps:

1. Familiarize yourself with your examiner’s and supervisor’s work (4-5 days): Know their research interests, potential biases, and recent publications, and consider how they might relate to your thesis.

2. Understand your thesis deeply (5-6 days): Be able to explain your research question/hypothesis, aims, theoretical framework, methods, and key results concisely. Review all the papers you discussed or mentioned in your thesis, noting their relevance to your work. Address any weaknesses in your analysis, and justify your study’s merit to earn a PhD.

3. Practice summarizing your thesis: Prepare a 200-word summary of each chapter and a 2-minute explanation of your whole thesis. Be ready to clarify your work in one or two sentences.

4. Anticipate general questions : Examples include summarizing your thesis, stating your research question or hypothesis, and discussing your main results. Prepare answers for potential questions from both a general and discipline-specific context.

5. Conduct mock vivas with your supervisor: Simulate the viva experience to get comfortable with the format, build confidence, and receive feedback on your performance.

6. Review general questions and answers (last 1-2 days): Brush up on your prepared responses and make any necessary final adjustments.

Remember, most PhD students pass their viva, so focus on preparing and confidently discussing your research.

Things to keep in mind during your viva – top tips

Here are the top tips to keep in mind during your viva:

1. Ask for clarifications if a question is unclear. Be polite and ensure you understand the question before attempting to answer it.   2. Don’t interrupt the examiner while they are asking a question. Give them time to finish, as it shows respect and allows you to fully comprehend the inquiry.

3. Be honest if you don’t know the answer to a question. Prepare a polite response for unexpected questions you cannot answer.

4. Maintain confidence without arrogance. Display a level of nervousness that reflects your dedication to the process, but avoid overconfidence or disrespect.

5. Keep your answers concise and structured. Use a clear format when providing your response, such as breaking it down into key points.

6. Speak at a moderate pace. Avoid talking too fast or too slow, as it can be distracting for the listeners. Practice controlling your speech rate during your preparations.

7. Give yourself plenty of time before the defense to prepare and relax. You should be in the right state of mind for your viva.

8. Be familiar with the protocols, format, and panel of your viva. Attend other thesis defenses, read your institution’s guidelines, and research the background of the examiners on your panel.

By following these tips, you can enter your viva well-prepared and have a successful defense. Enjoy the experience and demonstrate the hard work you have put into your research.

Wrapping up – thesis viva

Concluding our comprehensive guide on the viva process for PhD students, the final thought we leave you with is this: your PhD viva, or viva voce, is an opportunity to defend your research, a unique chance to demonstrate your motivation, strengths, and even your limitations as a researcher.

It’s important to understand the viva definition in its entirety: a viva voce is an oral test undertaken in front of a panel of examiners.

This panel usually includes one internal examiner from your institution and one external examiner from another. It may also include other experts depending on policies and practices.

Preparation is key when you get to the viva stage.

To that end, arranging a mock viva with your supervisor could help you anticipate the types of questions you’ll be asked. This practice could enable you to put your best foot forward during the real deal.

Don’t be surprised if the viva examination lasts anywhere between one and four hours.

You may be asked to elaborate on your PhD thesis, defend your field of study’s claims, discuss its strengths and weaknesses, and suggest future research opportunities. Your response to the assessment task should be in-depth and thoughtful.

Under the current COVID-19 conditions, many students are having their viva over Zoom or Skype.

In these cases, it’s important to arrange your setting to minimise distractions. Feel free to ask for clarification if the audio cuts out or you miss a question.

In preparation for your viva, review the academic profiles of your panel members, anticipate questions they might ask, and keep a copy of your thesis at hand.

Also, remember that while it’s important to provide an in-depth response, a concise explanation is ideal to avoid going on a tangent. If you’re asked about any weaknesses or limitations in your work, be honest and thoughtful in your response, highlighting your problem-solving skills as a researcher.

You’ve worked hard to reach this stage; now it’s your chance to shine! Best of luck!

Dr Andrew Stapleton has a Masters and PhD in Chemistry from the UK and Australia. He has many years of research experience and has worked as a Postdoctoral Fellow and Associate at a number of Universities. Although having secured funding for his own research, he left academia to help others with his YouTube channel all about the inner workings of academia and how to make it work for you.

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What Is the Viva?

• First Online: 16 September 2022

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• Isabelle Butcher 3  

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An explanation as to what the viva exam is, what it is not, its purpose, a general overview of what it might involve, why it is an oral exam, the importance of conversation in the viva and the opportunities that can arise from your viva.

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Butcher, I. (2022). What Is the Viva?. In: How to Excel in Your Doctoral Viva. Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-031-10172-4_2

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Submitting Your Thesis and Preparing for your Viva

The final stage of a doctoral degree is writing and submitting your thesis and defending it in an oral examination (viva). Here you can find advice on the key stages of that process. Understanding what to expect and what is required will help you to ensure the process is a smooth one and that you can look ahead to successfully completing your degree.

The best place to start is the Research Degree Examinations Guidance Booklet (PDF, 706 KB) . It provides a comprehensive guide to the requirements and expectations relating to the examination of doctoral degrees at the University of St Andrews.

As well as familiarising yourself with the requirements for your thesis and the viva exam, you should also think more broadly about things you will need to do to successfully complete your degree. Vitae suggests six tips for completing your doctorate successfully:

• Plan for the end of your doctorate
• Work with your supervisor(s)
• Avoid perfectionism
• Take time to consider your next career step
• Make sure you do finish!

Visit the Vitae website to read more about finishing your doctorate .

Planning for the end of your doctorate is something that you should begin well before the start of your final year and should be part of your overall work plan for your degree.

Planning and Writing Your Thesis

Many doctoral students find it daunting to contemplate having to write their thesis. A structured approach to planning your writing and reviewing your progress will help you keep momentum and maintain a sense of control and perspective. As far as possible you should plan to be regularly writing as you progress through your degree – it should not be something that is left entirely to your final year.

Further Advice

• Attend CEED workshops on academic writing or the annual Thesis Bootcamp
• See the Vitae website for general advice on the writing process
• Read the University’s advice on copyright and using third party material in your thesis
• See the Library website for advice on citing references and reference management

Long text documents, such as theses, can be difficult to control and format correctly. Our short guide – Formatting Your Dissertation in Word – has advice on how to use MS Word to make managing your thesis easier. It also has links to online Microsoft resources where you can learn more.

You can find the University’s requirements for formatting your thesis and word limits in the Guidance for submission of theses (PDF, 870 KB) .

Wellbeing and Support

Many doctoral students find the process of writing a thesis to be a stressful one. Make use of the support available. Your supervisor(s) can provide academic advice and comment on draft work while the Advice and Support Centre can advise on common issues such as perfectionism and imposter syndrome. Where there are more significant issues, Academic Registry can advise on options for taking a leave of absence or requesting an extension of registration.

• Visit the Advice and Support Centre for advice on wellbeing and common issues
• Read the advice on taking a leave of absence or requesting an extension of registration
• Stay connected with University and Postgraduate Society events

Submitting Your Thesis for Examination

About four months beforehand you should declare your intention to submit your thesis for examination. This is done in MySaint. Academic Registry and your School will then start making arrangements for your viva, helping to minimise the time between you submitting your thesis and the viva taking place. For further advice, please read the Guidance for submission of theses (PDF, 870 KB) .

Preparing for the Viva

The viva is an an oral examination where you will defend your thesis. The purpose of the viva is to provide assurance that you understand your research, can discuss the wider context for your research, and can clarify any areas of uncertainty or doubt. The viva will normally take place within three months of you submitting your thesis. Vivas typically last around two to three hours, although there are not specific rules about the length of the oral examination. If the viva lasts more than two hours the convenor should ensure adequate breaks are provided.

• Read fuhrter information on Research Degrees Examinations
• Attend GRADskills workshops on preparing for the viva and communicating research concisely
• Visit the Vitae website for general advice and a useful viva checklist
• How to Prepare for the Viva Examination

There is separate advice for staff on examining doctoral students .

Final Submission and Electronic Theses

Following the viva voce exam, and the completion of any corrections required by your examiners, you must submit one final electronic copy of your thesis as part of the preparations prior to graduation. You must submit the final copy of your thesis to be eligible to graduate.

For further advice, please read:

• Procedures for submitting final copies of thesis (PDF, 631 KB)
• University Library Fact Sheet: Electronic Theses (PDF, 245 KB)
• University Library Fact Sheet: Copyright for Electronic Theses (PDF, 270 KB)

Beyond Your Doctorate – Careers

Over the course of your doctorate you will have developed and demonstrated a range of personal and professional competencies. These will include essential skills such as communication and problem solving as well as higher-level skills such as discipline-specific methodologies, analytical skills, and project management.

• Visit the Careers Centre for advice on career planning and articulating skills to employers
• Attend GRADskills workshops on job applications, interviews, and postdoctoral funding
• See the Vitae website for researcher career stories and CV examples

Remember as well that, as a graduate of St Andrews, you are automatically a member of our worldwide alumni community .

Further Advice and Questions

You can find advice on most topics by using Ask a Question .

Please contact the PGR team in the Academic Registry if you need further advice or cannot find an answer to your question.

St Leonard's College The Old Burgh School, Abbey Walk St Andrews KY16 9LB [email protected]

Phone: +44 (0)1334 46 2003

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5 tips for passing your PhD viva

Every Doctoral researcher is expected to defend their thesis through an oral test - so discover how to prepare for your PhD viva and ensure you make a good impression on the examiners

What is a PhD viva?

A viva voce is an oral test, which literally translated means 'with the living voice'. It's a focused discussion giving you the opportunity to present your PhD thesis and then defend it in front of a panel of academic experts.

1. Understand what's expected of you

Traditionally, your thesis would always be discussed in person, with the interview style viva exam overseen by at least two (internal and external) examiners. Afterwards, they would provide you with a joint written report detailing any corrections that need to be made.

However, following the coronavirus (COVID-19) pandemic, the online PhD viva has become more commonplace with this examination more likely to take place via Microsoft Teams, Skype or Zoom.

The virtual experience will still typically follow the same format, but you'll be briefed in advance about the arrangements and any technical aspects to bear in mind. You can prepare for an online PhD viva by reading our video interview tips .

The chair of the viva is usually the internal examiner, although it can be an independent person. If you and the examiners agree, your PhD supervisor can also be present.

The examiners' main objective is to ascertain that you've written your own thesis, so if you have and are ready to talk through how you completed it, there's no need to panic. You may even enjoy the viva voce test.

In addition to assessing your thesis, the examiners are also there to assist you in deciding how and where this research might be published.

There are various results between a 'pass' and 'fail' but it's very rare to slip up at this point of a PhD. Most Doctorate awards will be made upon the condition that a number of minor corrections are made, with re-submission requests far less common.

However, while the pass rate is high, the viva exam itself can still be intellectually demanding. This is because you'll be debating issues that are conceptually complex, so preparation is crucial to your success.

At the end of it, whatever the outcome, be prepared to take on board any advice, as the examiners are there to help you improve your argument or the presentation of your thesis.

2. Know your thesis inside out

While you can be sure this isn't a memory test - as you're fine bringing notes and a copy of your thesis with you to the PhD viva - it's still important to gain a good understanding of what you've written and be knowledge about your field of study.

You'll need to think carefully about where this original piece of work would be placed in the context of the wider body of research carried out in this field. Questions will surely be asked about this, as well as whether the project could possibly be developed further through any future research.

As you'll be explaining parts of the document to the examiners (who'll also have a digital or physical copy), make sure the pagination is the same in your version as the one they're looking at to avoid any issues regarding everybody being on the same page.

If you get stuck at any point during the viva exam, you can use looking at the thesis as an excuse to re-focus and gather your thoughts.

3. Anticipate the viva questions

The examiners will have prepared a series of questions for you to answer at the viva voce, but this is nothing to get too concerned about. The questions will all be based on your thesis - what it's about, what you did and what you found out - and why this matters, in relation to your field of study.

So when getting ready for the viva, consider the types of questions you're likely to be asked, including:

• What original contribution has your thesis made to this field of study?
• Explain the main research questions you were hoping to address.
• What are the strengths and weaknesses of your thesis?
• If you had to start the thesis again, what would you do differently?
• If funding was no object, describe how you'd follow on from this project.
• What are your plans for the future?

It can be helpful to practise your answers beforehand, ideally vocalising them by arranging a mock mini viva - although, as you aren't restricted in terms of referring to notes in the exam, you can leave room for spontaneity, and you don't need to learn it all off by heart. If your viva is being held online, you can ensure any technical issues are identified before the day by having a run through with your supervisor or a friend.

While it may sound simple, stick to answering the questions posed. It's really easy to go off on a tangent and this can open up other lines of enquiry from the examiners - possibly in areas you hadn't expected to be quizzed about.

On the other hand, it's completely fine to bring personality to your reasoning and use stories as a means of describing the learning process you've gone through and the techniques mastered over the last three or four years that have brought you to this point.

4. Learn about your examiners' own work

The senior and well-respected academics who'll be reading your thesis will have their own ideas on conducting PhD standard research. Therefore, it's worth taking a look online at their academic profiles to discover if there's any correlation with the research they've had published and your own work.

From this, you should be able to gain a better idea of their motivations, their possible views on your thesis and the kinds of questions they might wish to discuss after having read through it.

You should research up-to-date theories, read any recent papers on the subject and speak to others who've recently had their own viva exam. Think about how your work differentiates from the research carried out by others in your chosen field.

Prepare to provide any supporting evidence asked of you by the examiners - for example, they may request to see experimental data you mention once the exam is over.

It's also necessary to check the policies and practices in place at your university and be sure of what the roles of the examiners are and how the viva panel will be structured. In many cases, Doctoral students can choose the examiners conducting the PhD viva.

5. Plan towards the viva exam

From the moment you know the date of your viva voce, work backwards and plan the steps you'll need to take before the day itself. Allow enough time to assess and review your work so that as the day approaches, you can focus on the practicalities.

This encompasses everything from making sure you relax, eat and sleep well the day before to arranging transport so you get to the viva on time - if you're attending in person.

An online PhD viva will present its own challenges, so ensure your working space is presentable and you still make an effort in terms of what you'll be wearing.

It's always advisable to adhere to interview etiquette and go with something that's both smart and comfortable. By looking the part, this should get you in the right frame of mind to communicate in a professional manner.

In the build-up, avoid any situations that might make you feel stressed and instead try to adopt a positive attitude, one that results in a genuine eagerness to engage in a debate about the work you've been toiling over for a substantial period of time.

If you're travelling to the examination, be sure to check that you have everything you wish to take with you, including the thesis, plus any notes or other materials that will help support your claims.

The PhD viva can last between one and four hours - usually two - so it's necessary to pace yourself to get off to the best possible start.

Remember, the examiners aren't trying to trip you up - they want you to pass and are primarily there to hear you talk about your project. So, after the polite introductions they'll typically start with an icebreaker to put you at ease and help calm the nerves.

It's meant to be an open and honest conversation about your work, so feel free to politely disagree with the examiners, especially on areas you feel strongly about. Don't forget to use examples from your thesis to back up what you're saying, remembering to be clear and concise.

If you know your way around your thesis and can explain your thinking and way of working, this test shouldn't be a problem. And if you don't know the answer to a specific question - admit it, as it's better to concede your limitations in an area than ramble on and hope they don't notice you're struggling to come up with an explanation. No research is perfect, so it's important to appreciate this during the discussion - but don't be too overcritical about your work either, as that's not your job.

Finally, as the PhD viva can quickly move from a series of friendly questions to those that are more in-depth, take some time to think before answering. Don't worry about any periods of silence from the examiners, as this certainly isn't an indication that you're doing badly.

Find out more

• Explore possible careers at your PhD, what next?
• Consider getting an academic job .

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How the viva process works

The viva is a long-established part of the examination process for a research degree. The main focus of the assessment is on the written thesis/dissertation (and other outputs, for a Practice as Research students). However, the viva, which is the oral part of the assessment, is used to inform the examiners’ final assessment decision.

The viva gives the examiners the opportunity to explore any issues in detail and provide inspiring advice for your future research career. Examiners may have a strong sense of the outcome from reading the thesis, but the viva gives you an opportunity to defend your work, as well as to validate the thesis and demonstrate your skills in participating in academic discussion with research colleagues.

Viva arrangements

Your department is responsible for nominating two examiners: one internal and one external, whose names must be approved by the Faculty Dean (Postgraduate).

The internal examiner is expected to undertake any arrangements necessary for conducting the viva. You’ll then be contacted to confirm the arrangements for the examination of the thesis, including the date and time of the viva.

The viva should be held no later than two months after your examiners receive your thesis for examination unless exceptional circumstances prevent it from happening. In the case of a staff candidate, the department must nominate two external examiners, rather than an internal and an external, and an Independent Chair is appointed to oversee the examination process.

Students who fail to engage in viva arrangements, to the extent where it has not been possible to conduct a viva, shall be deemed to have withdrawn permanently from the University.

Viva format

Two formats are available as standard viva examination formats of the University: Video Link Vivas and In-Person Vivas. The availability of both video link vivas and in-person vivas means that the most appropriate format can be sought, to support any individual needs and adjustments appropriately, including cultural and/or interpersonal challenges.

Video Link Vivas provide the ability to expand the network of external examiners internationally as potential barriers, such as financial constraints, time commitments and our environmental efforts to reduce our carbon footprint, are removed. There are both financial and time-saving benefits for all viva attendees, including candidates, who will not have to bear the costs of returning to campus for their viva.

The diverse nature of some thesis and viva formats (including, but not limited to, Practice as Research examinations) are potentially not well-suited to the video link format, so this should be considered when deciding on the viva format.

In advance of the thesis submission, students should discuss with their supervisor which examination format is most appropriate and preferred. Where possible, the department will look to accommodate a student’s preference, and will liaise with the examination team before making a decision.

Venue (in-person vivas)

In cases where the viva is taking place in-person, the venue for the viva should normally be on campus, reasonably quiet and allow the viva to proceed without interruption.

The Faculty Dean (Postgraduate)’s approval is required for a viva to be held at a venue outside the University of Essex or one of its Partner Institutions.

Technical preparation (video-link vivas)

The University recommends the use of Zoom as its preferred and supported video- conferencing software. The Graduate Administrator within each Department/School will be responsible for arranging the Zoom meeting, and wherever possible a University video- conferencing room should be used.

Technical assistance will be provided by Audio Visual Services as required. This will include practical advice on the protocols of communication by video link. Time should be allowed before the start of the viva to ensure the software and equipment is working correctly, and that all parties are satisfied with the arrangement.

Who attends?

The viva will normally only involve the internal examiner, the external examiner and the student.

The Faculty Dean (Postgraduate) may appoint an Independent Chair, who is a senior member of the Academic or Research staff of the University of Essex, to oversee the conduct of the oral examination in line with the Policy for the Appointment of Independent Chairs for Research Degree Vivas  (.pdf).

The student’s supervisor can only be present in exceptional circumstances, approved on an individual basis by the Faculty Dean (Postgraduate) and with the agreement of the external examiner.

The length of a viva will vary but if it is longer than two hours the internal examiner will recommend an adjournment for a break.

If you feel the need for a break earlier than two hours, please feel free to inform the examiners. Any breaks taken will not affect the outcome of the viva.

Discussion between examiners

Once you’ve submitted your thesis and the examiners have been appointed, copies of the thesis/dissertation and examination paperwork are sent to the examiners by the Postgraduate Research Education Team.

The examiners must not contact each other to discuss their assessment of your thesis, nor engage in discussion with you ahead of the viva, except for when making logistical arrangements. On the day of the viva and before seeing the student, the examiners will have a pre-viva meeting at which they discuss their initial assessment and agree the approach to the viva, including the areas of questioning.

It is the responsibility of the internal examiner to oversee the proceedings at the viva and to ensure that the University’s Principal Regulations for Research Degrees are adhered to, unless an Independent Chair has been appointed.

The start of the viva

At the start of the viva, the internal examiner will introduce the examination team, confirm the purpose of the viva, and explain how the viva will proceed. If there is anything you’re unsure of, now is a good time to ask.

Questioning

Remember, no one is perfect. There will be strengths and weaknesses to your research and your examiners will want to explore these in more detail.

Normally, the examiners will start with some general/introductory questions that will ease you into discussing your thesis and research. These will be followed by a discussion of strengths and weaknesses of the thesis. It will be an opportunity for you to demonstrate your abilities of self-analysis and reflection, exploring things you’d do differently in future and what you’ve learnt during the process.

The examiners will be asking questions to provide clarification, and seek explanation and elaboration where appropriate. Please remember that each examiner has a different style, and some questions may appear quite direct and challenging. In this situation, it’s important to stay relaxed and take your time to give a thoughtful response.

If you are asked a question which you don’t understand, feel free to ask for clarification.

Reaching a decision

Once the viva has finished, you’ll be asked to leave the room, whilst the examiners reach a conclusion about the recommended result. The result will be one which is listed in the University’s Principal Regulations for Research Degrees .

You’ll then be invited back into the room to be told the recommended result and the reasons for the decision. If corrections are required, you’ll be sent a written list of corrections after the viva.

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Research postgraduates

• Managing your workload
• Advanced referencing and academic integrity
• Working with supervisors
• Getting the most out of conferences
• Introduction

What is a viva?

Preparing for your viva, getting your results, dealing with corrections and revisions, useful links for research postgraduates.

• Study Advice Helping students to achieve study success with guides, video tutorials, seminars and one-to-one advice sessions.

• Doctoral and Researcher College Bringing together research postgraduates at the University of Reading.
• Guides to research student policies and procedures (Doctoral and Researcher College) Guides specifically aimed at doctoral students to accompany some of the University's formal policies. Includes the 'Keeping on track and 'Surviving your viva' guides.
• Reading Researcher Development Programme (RRDP) Training programme aimed at the needs of research postgraduates.
• Doing a doctorate (Vitae) A range of guides taking you through the beginning, middle and completion phases of a PhD.
• Academic English Programme (AEP) If you are studying in English as a second or additional language, the Academic English Programme offers courses, webinars and 1:1 consultations to help you improve your academic English while you study. The Academic English Programme (AEP) is free to all fee-paying international/EU students.

Hopefully you will have had some experience of discussing your research either in seminars, progress reviews, or at conferences and you can build on this when preparing for your viva. Supervisors may offer the chance to do a practice, or mock-viva, which can be a very useful experience.

Reminding yourself that you are the expert in your research, and anticipating a range of possible questions will help you prepare thoroughly for having a good viva. The advice on this page offers further suggestions and strategies for viva success.

A viva voce is an oral examination (usually referred to as a viva). In some courses, students are given vivas as part of the undergraduate or Masters assessment process. However, it is more usually found as part of the final assessment process for PhD students.

Its main purpose is to assess your research and subject knowledge . The viva will generally be conducted by an external examiner and an internal examiner. Although the format may vary, it will involve a discussion of your research topics and conclusions. You will be asked questions that will give you the opportunity to show the examiners your research skills and the originality of your ideas.

In some academic cultures, this examination is known as a 'thesis defence'. However, in the UK, it is more commonly seen as a dialogue: an opportunity for you to explain and expand on your research to examiners who are experts in your field.

Format  - Make sure you know what the format will be. It may be helpful to look at the University's Rules for Submission of Theses and Guide for Examiners of higher degrees by research (link below). The Doctoral and Researcher College's 'Surviving the Viva' guide also has more explanation of the specific procedures here at Reading, and can be found as part of their Guides for Students. In addition, talk to people who have recently gone through the viva process in your department. Your viva will not be exactly the same as theirs, but it will give you a better idea of what might happen.

Prepare - It is crucial that you prepare well for your viva. This will help calm your nerves and also ensure that you make a good impression on the examiners. Know your thesis well; reread it and annotate it - you will be expected to take a copy into the viva, and it will be helpful if you can find key areas quickly. Also keep reading the latest research in your field - this will keep you aware of current developments and stimulate your thinking. If you find something new that you think you should have included, don't panic - just make a note and be prepared to talk about it in the viva.

Practise - Ask your supervisor if it is possible for you to have a practice viva. This will help you familiarise yourself with the whole process. For more suggestions about speaking in public, see our LibGuide on Giving presentations .

Who is your examiner?  - It will help you to feel more confident if you know a bit more about who will be examining you. Find your external examiner online and make sure you're familiar with their area of expertise and publications. You will not be expected to tailor your thesis to your examiner as it is your project and it should be able to be examined by anyone with sufficient expertise in the field. However, knowing your examiner's own research preferences may help you to see what areas of your thesis they will be most interested in discussing. Finding a photograph may also help to calm your nerves.

Make a list of possible questions - There may be obvious questions you're likely to be asked, and preparing the answers to these questions is always helpful. Some of the broad questions that most vivas will cover are:

• "What have been the significant contributions of your research?
• "What would you do differently if you were setting out to do it today?"
• "Where do you see this kind of research moving in the future?"

You might also want to think about anything in your thesis that is controversial or new. What would you say if you were asked about these?

Often the examiners will want to put you at your ease as much as possible, so may start with a general question to help calm you and establish a good relationship, for example:

• "Tell me about your research"
• "What motivated you to do research in this area?"
• "How did you develop an interest in this topic?"

These type of questions can be unnerving, even if they are not intended to be, as they seem very broad and simple. Think about how you might answer them clearly and concisely to get the viva off to a good start.

There are more examples of potential viva questions in the Graduate School's 'Surviving the Viva' in their Guides for Students

Explain it to a friend - When you've been working on a complex project for a number of years, it can be hard to see the bigger picture. It can help to get your ideas straight in your head if you have to give a simple explanation to someone outside of your topic.

Don't rush your answers - Take your time. Listen carefully and allow yourself time to process what the examiner has said, or ask for clarification. Your examiners are not expecting (or wanting) you to jump in with an answer as soon as they have finished speaking. Have a drink of water, or use phrases such as 'That's a good question' to give yourself time to think.

Discuss and explain - Don't answer questions with 'yes' or 'no', but justify your comments with examples or evidence. Some questions may explore areas of your thesis that show weaknesses. This is normal; your examiners are not expecting perfection and they recognise that all research has limitations. They want to see that you have thought about any weaknesses, the reasons behind them, and how these limitations may be overcome in future. Therefore, it is important to consider and explain any weaknesses, as opposed to trying to dismiss or hide them.

Answer with confidence but don't be defensive . The examiners are likely to challenge you in a constructive way and press you to justify your approach and findings, but they are not there with the intention of failing you - they want to hear what you have to say about your work.

Stay calm - Don't forget, this is the one exam where you are likely to know more about the subject than those giving the marks! The examiners want to get the best out of you. As long as you do the preparation, you'll be fine.

• Thesis submission and examination Rules and procedures around the submission and examination of your thesis.
• Research student policies and procedures Information for graduate students.
• Giving presentations LibGuide Expert guidance on preparing and delivering presentations.
• Advice on vivas from the THES A useful article with tips from an academic experienced in examining theses.
• What happens in a viva? A short video made at the University of Reading to show what a viva might look like and offer some tips for the day.

In some cases you may be told the result of your viva straight away, but more often the examiners will ask you to leave the room and wait nearby while they take a little time to discuss before making a decision. The four possible outcomes are:

• The degree will be awarded 
• The degree will be awarded subject to minor corrections (to be completed within three months) 
• The student is required to make major amendments (to be completed within 12 months)
• The student will not be awarded the degree for which the thesis is submitted (in some cases the examiners might award an alternative degree).

It is very unusual to pass without any changes - almost everyone has to make some revisions.  

The outcome of a viva is not usually a clear pass / fail result. Nearly all students will have to make changes, ranging from minor corrections to major amendments. Being asked to make revisions means having the chance to improve your work in light of the comments of experts in your field - it does not mean you have 'failed'. It will also strengthen your work for the future.

Understandably most postgraduate students see their viva as the end of their PhD journey, but for almost everybody there will be a few more steps to go. It may be difficult for you to get back into working mode when you thought you had finished. Below are some suggestions to help you manage your corrections and revisions, and get your changes done.

Allow yourself some time off

Give yourself a chance to recover and refocus on your goals Remember your reasons for doing a PhD and use these aims to motivate yourself in the final stages

Get another perspective

Having been involved in intense study activity (and probably anxiety) in the run-up to your viva, it is not surprising if you find yourself feeling quite emotional and even confused afterwards. This can be the case whether you have passed without corrections, have minor amendments or major revisions to complete.

Many students have found that talking to someone who has not been involved can help to put the whole experience into perspective. This might be a Study Adviser, who can also help with your organisation and time management to get revisions completed, or someone from Student Wellbeing.

Get the list of corrections

The examiners will produce a list of the changes they require you to make. This will usually be forwarded to you from the Examinations Office or via your department.

Make sure you get this as soon as possible, as you will need to demonstrate that you have made all these changes satisfactorily; it will form the basis of what you do next.

See your supervisor - soon

Talk through with your supervisor what you plan to do for each correction, and check that this is what is needed. Arrange a deadline for making the changes and confirm that your supervisor will be available to give feedback on your changes.

You and your supervisor may decide that a fresh perspective is needed, so your supervisor might suggest a colleague that could advise on the corrections.

Clarify what you need to do

Check with the examiners (if possible) or your supervisor (if not) what they want for each correction. For example does "Expand on method in Chapter 3" mean write a few more sentences explaining the method, or add a whole new section to Chapter 3 going through the methodology in fine detail?

Draw up a timetable

Normally, minor corrections have to be made within 3 months, and major amendments need to be made within 1 year of the viva.

Draw up a realistic timetable for making the changes – taking into account outside pressures like your funding ending, returning home, finding a job, family commitments. Just like when you were writing the thesis, break the corrections into tasks that need to be done, and set aside specific times when you will do them.

Don't leave it too long

Although you might not want to look at your thesis ever again, it is better to get going while it is fresh in your mind. The longer you leave it, the harder it is to get started again.

• Start with the smaller tasks that are easier to complete, like correcting typos, to get back into the flow of working.
• Recognise when you are procrastinating and overcome this by setting yourself small goals and rewards.

Stay focused

Don't agonise about getting changes "perfect" and reworking the whole thesis. At this stage you need to be clear what the examiners want and give it to them. Be thorough, but be efficient. It is well worth spending time getting the corrections right as they will strengthen your thesis, but also recognise when you may be going beyond the bounds of what is required, and try to be as business-like and objective about making the corrections as you can.

Check the changes with your supervisor

You don't want to have to make any further corrections after your resubmission, so check with your supervisor that you have covered everything the examiners require.

Your supervisor may be able to point out places that you can strengthen or reword to ensure you meet the examiners' criteria.

Once you and your supervisor are happy that you have made all the necessary corrections and completed them thoroughly – resubmit the thesis.

Ensure you are clear on the University procedures for resubmission – the examiners may have the option of asking for a second viva.

Remember: In years to come no one will ever ask you about your corrections. Many top academics had to make major changes to their theses and this has helped, not harmed, their careers.

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Appeals are possible in the case of irregularities in the examination procedure, exceptional circumstances, or evidence of prejudice and bias. Appeals cannot be made against the academic judgement of examiners. Check the University procedures for appeals (which can be obtained from the Examinations Office) and contact your supervisor or department if you are considering appealing. You may also find it helpful to discuss your reasons for appealing with a Reading University Student Union Student Adviser who will be able to give you confidential advice on your appeal options.

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How to survive a PhD viva: 17 top tips

Just handed in your PhD thesis? Now it’s time to plan for the next hurdle: a viva. Academics offer their advice on how to best prepare

• Finishing your PhD thesis: tips from those in the know
• The key to a successful PhD thesis? Write in your own voice
• PhD: so what does it really stand for?

H anding in your PhD thesis is a massive achievement – but it’s not the end of the journey for doctoral students. Once you’ve submitted, you’ll need to prepare for the next intellectually-gruelling hurdle: a viva.

This oral examination is a chance for students to discuss their work with experts. Its formal purpose is to ensure that there’s no plagiarism involved, and that the student understands and can explain their thesis. It involves lots of penetrating questions, conceptually complex debates and is infamously terrifying.

How can PhD students best prepare? We asked a number of academics and recent survivors for their tips.

Preparing for the viva

1) Check your institution’s policies and practices

Institutional policies and practices vary. Find out who will attend your viva (eg will a supervisor attend, will there be an independent chair?) and what their roles are. Penny Tinkler and Carolyn Jackson, authors of The Doctoral Examination process: A Handbook for Students, Examiners and Supervisors

2) Re-read your thesis – and keep up-to-date with research

Don’t underestimate the amount of time the examiners will have spent reading and thinking about your thesis – however, you should remember that you are still likely to be the “expert in the room” on this particular topic. Check to see if any relevant recent papers have emerged since submitting the thesis and, if so, read these. Dianne Berry, dean of postgraduate research studies, University of Reading

3) As an examiner, you tend to stick to things you’re an expert in when driving the questioning

Your viva panel will consist of an external expertise in your subject area and an internal which may be in a subject field associated or directly related to yours. The external examiner is the one who mainly calls and fires all the shots and so it’s pretty important to have a knowledge of their published contributions, especially those that are related to your thesis in any way. Dr Bhavik Anil Patel, senior lecturer in physical and analytical chemistry

4) Think about what you will or won’t defend

Consider carefully what you will defend to the hilt in the viva, and what you are prepared to concede. It’s important to defend your claims about the originality of the thesis and its contribution to knowledge. However, no research is perfect, and showing that you have considered what could have been done differently, or even better, is not a bad thing. Penny Tinkler and Carolyn Jackson, authors of The Doctoral Examination process: A Handbook for Students, Examiners and Supervisors

5) Draw up lists of possible questions – especially ones you dread

I collected questions from a bunch of different places ( listed here ) which I then tailored to my PhD. Somebody I worked with also recommended that I put together my 10 nightmare questions. I found this really useful, by writing down and thinking about my dreaded questions, they were no longer so bad – it was almost as if I’d faced the beast.

Generally speaking, I was able to predict the questions that I was asked. There were a couple that were unexpected but they were either conceptual points or based on literature that I just didn’t know. Richard Budd, research assistant, University of Bristol who sat his viva in summer 2014 and has blogged about the experience

6) It’s not like sitting at a laptop where you can edit a sentence as you go along

By the time you finish your PhD you’ll know your thesis inside out. One of the things you won’t be as practised at is talking about it. When I was preparing for my viva, I practised vocalising answers. It’s not a case of needing to learn to answers verbatim – this would only work as a technique if you could guarantee the exact way your examiner will ask a question – but it is about thinking about how you will articulate certain things. A viva isn’t like sitting at a laptop where you can edit a sentence as you go along. Richard Budd, research assistant, University of Bristol who sat his viva in summer 2014 and has blogged about the experience

7) Bring a printed copy that is exactly the same as that of your examiners

Ensure you and your supervisor have a printed copy that is exactly the same as that of your examiners (specifically the same pagination). Mark with tabs the key sections and highlight for reference important quotes and points you might want to refer to. If you have some key diagrams it may help to have these printed larger on A4 sheets that can be used in a discussion.

There is a chance, albeit slim, that an examiner will wish to see some piece of experimental data, software, or other supporting evidence. Have this all neatly archived and accessible. You can do this after submission. Anthony Finkelstein, dean of the UCL faculty of engineering sciences who has blogged about surviving vivas

During the viva

8) Get off to a good start

Give a few detailed answers in the opening 15 minutes, demonstrating knowledge, describing your thinking and working - then the examiners are likely to relax into the viva. If the first few answers are short and non-specific, not demonstrating knowledge, this can begin to raise concerns, and that can set the tone for the whole viva. This is avoidable. Rowena Murray, author of How to Survive Your Viva: Defending a Thesis in an Oral Examination

9) Prepare for the icebreaker

Every viva opens with that dreaded icebreaker that is supposed to break you in gently but often seems to be the thing that gets students into a pickle. It’s so basic, students almost forget about it. Most often this would be to give a five to 10 minute introduction to your work and your key findings. This is such a common question that not preparing for it would be silly. Dr Bhavik Anil Patel, senior lecturer in physical and analytical chemistry

10) Silence doesn’t mean bad news

Don’t assume that you will be given any indication of the outcome at the start of the viva. The examiners may or may not offer comments on the thesis at this stage and candidates should not interpret a lack of comments at this point as a negative sign. In some cases institutional policy prohibits it. Penny Tinkler and Carolyn Jackson, authors of The Doctoral Examination process: A Handbook for Students, Examiners and Supervisors

11) Don’t point out your own weaknesses

Avoid shooting yourself in the foot by highlighting the weaknesses in the thesis by being overly humble (eg “I didn’t think this would be an acceptable piece of research given the way I handled x or y”) or by saying what you “failed to achieve” or “did not manage to carry out in a robust manner” etc. Leave that to the examiners to pick up in their reading, they don’t need help. Dr Mariana Bogdanova, lecturer in management, Queen’s University Belfast

12) Don’t talk like a politician There’s a danger of trying to over-prepare. Don’t learn answers off by heart – it removes the spontaneity and is obvious to examiners. If a student has pre-prepared answers they become a bit like politicians, answering questions they weren’t asked rather than the ones they were. I have come across mixed views on mock vivas. Some people really like them – and they can settle nerves – but other times it can remove spontaneity and steal your thunder. Jerry Wellington, head of research degrees at University of Sheffield and author of Succeeding with Your Doctorate

13) You may need to move from friendly questions to complex debates

Vivas can appear friendly and then suddenly go very conceptually complex. The language used is an alternation between accessible normal language and really specialised arguments. The student needs to be able to move orally between the two. Gina Wisker, professor of higher education and contemporary literature at Brighton University

14) If things get on top of you, use the excuse of having a look at the thesis

Make sure that before the viva you get plenty of sleep, eat properly and de-stress. If things get too much when you’re in there, use the excuse of having to look something up in your thesis. You could also pause and say “Can I write that down for a moment?” Stall for time until you get yourself back together again. Gina Wisker, professor of higher education and contemporary literature at Brighton University

15) Focus on your contribution

One of the most important things that the examiners will be looking for in your thesis, is the “contribution to knowledge”. It is the contribution which makes your work doctoral level. Be sure that you understand exactly what your contribution is, and that you are able to express and explain it clearly and concisely.

Write it down in a paragraph. Discuss it with you supervisor and fellow students. Make sure that you can relate your contribution to other work in your field and that you are able to explain how your work is different. Peter Smith, author of The PhD Viva

16) Expect your viva to last between one and three hours

Students frequently ask how long the viva is likely to be. Obviously they vary. Discipline differences are important. Our research suggests that most natural and applied sciences vivas were completed in one to three hours, whereas arts, humanities and social science vivas were typically less than two hours long. In the natural and applied sciences 43% of vivas lasted two hours or less, compared to 83% in arts, humanities and social sciences. Penny Tinkler and Carolyn Jackson, authors of The Doctoral Examination Process: A Handbook for S tudents, Examiners and Supervisors

17) Enjoy it

The best advice I ever got was “Try to enjoy it”. It seemed ludicrous at the time, but I actually found myself really getting into the discussion as the viva went on. It’s one of the earliest chances you get to talk to someone who not only informed your research (ideally) but is also conversant with your own. It’s a great chance to explore the contours of your research – treat it as such, and it doesn’t seem quite so daunting. Michael James Heron, school of computing science and digital media, Robert Gordon University

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What is a PhD Viva?

• Maisie Dadswell
• September 6, 2023

After you have written and submitted your PhD thesis, the next stage in the process is to pass your PhD viva examination, which your PhD supervisor at UWS London will fully prepare you for. Your viva will happen within three months of submitting your thesis; after completing your viva, you will know if you have passed with flying colours and can call yourself a doctor in your respective field. Though the prospect may sound daunting, see it as the chance to prove that your creative knowledge makes you a peer to the academic panel that will be present for your viva; it is the perfect opportunity to establish yourself as an intellectual authority in your field. 

This article will cover what a viva is, how it works, what the potential outcomes are, who will be present on the panel and provide some helpful tips that are relevant for all fields of study.

Doctor of Philosophy (PhD) degree is the highest academic degree one can earn in most fields of study. It typically involves conducting original research, making a significant contribution to the field’s knowledge, and writing a dissertation or thesis that demonstrates expertise in a specific area. Learn more about PhD at UWS Londo n here .

A PhD viva also referred to as a Viva Voce, Latin for ‘living voice’, is an oral examination which follows the submission of your doctoral thesis, where you will showcase your knowledge and defend your research in front of a panel comprised of academic experts. This examination is compulsory for the vast majority of doctoral students.

PhD Viva Questions

All the questions asked during your viva will assess: 

• Your knowledge depth in your specific area of research. 
• How deep your knowledge is concerning the broader research field relevant to your PhD. 
• If you can place your work in a broader context. 
• If you can demonstrate how your research contributes to your field. 
• If you know of any potential limitations and oversights in your work – where applicable. 

If the panel has any suspicions that your work may not be your own, they may also question the authenticity of your work.

How Long Does a PhD Viva Take?

One of the most frequently asked questions is how long is a PhD Viva. The average length is around three hours, but several factors can extend or shorten your oral examination. If there are issues in your PhD thesis or if it is poorly presented or formatted, this could lead to confusion on the panel, which will necessitate more clarification for you to set the record straight and prove that you understand your field of study. Similarly, how well-prepared you are and how concisely you respond to questions will also have a bearing on the duration of the viva. 

However, lengthy PhD defences don’t always need to be a sign that it is going poorly! Your examiners may enjoy the discussion enough that they will want to talk about it long after they have concluded that you have passed the examination. Even though, in some rare instances, a viva can take up to eight hours there may be university or country-specific rules on maximum duration – feel free to discuss this with your PhD supervisor beforehand.

Who Will Be on Your Viva Panel?

Your PhD examination will be carried out by one examiner from your university and an examiner from an outside university. Your PhD supervisor may also be on the panel, although this is not always the case. If you do find your supervisor on your viva panel, in the UK, it is common that they are prohibited from speaking. If they are present, they will solely act as observers. 

Together, the examiners will highlight what they found when reading your PhD thesis thoroughly, focusing on the theories and key concepts you put forward in your research. To ensure that the examiners are being fair and appropriate in the viva process, there is also usually a chairperson on the panel who takes notes documenting any notable suggestions or comments. The chairperson will either be internal or external from the university.

What Are the Outcomes of a Viva Exam?

In the UK, there are six potential Viva PhD outcomes. We have listed them below from the best outcome to the worst. However, it is worth bearing in mind that even if you need to make minor or major corrections after your viva, you will be given equal credit as someone who was awarded their PhD degree without corrections.

The average pass rate for a PhD viva in the UK can vary depending on the university, field of study, and specific criteria used for evaluation. However, it is generally quite high.

In many UK universities, a significant majority of candidates who reach the viva stage pass, often with some amendments required. A “pass with minor amendments” is a common outcome, indicating that the candidate has demonstrated a sufficient understanding of the research. Recent research on viva experiences indicates that 84% of Ph.D. candidates are required to make minor revisions in order to achieve a passing grade.

1. Awarded PhD Degree with No Corrections

It is rare for students to pass their PhD degree without any corrections. So, if this is your outcome following your viva, celebrations are in order! It means you have seriously impressed your examiners with your research and examination.

2. Minor Corrections Required to Pass

Recent viva experience research has highlighted that 84% of PhD candidates must make minor corrections to pass. Typically, the minor corrections will be small issues with the thesis, such as grammatical errors, typos, typograph issues, or presentational faux pas, which can be quickly edited. Don’t be disparaged if you are presented with this outcome following your viva; it still means that you have done remarkably well with your thesis and viva.

3. Major Corrections Required to Pass

This outcome is the second most common following a viva; it means you have met the required standard to be awarded your doctorate, but some revisions or corrections need to be made. Typically, this will involve you improving the structure or clarity of your thesis by rewriting chapters or adding additional analysis. Once again, needing to make major corrections shouldn’t be seen as a failure; although it may be disparaging, it doesn’t invalidate your research or contribution to your field.

4. Revise and Represent to Pass

You will be asked to revise and represent your work if the panel can see the potential within your work and that it can meet requirements if you undertake additional research or analysis. You will be presented with this outcome if your work doesn’t quite reach the PhD degree standard; unlike with the minor and major corrections outcomes, if you are asked to revise and represent, you will need to present your revised work to the panel again.

5. Awarded an MPhil Degree

If the academic panel decide that major corrections or additional research still won’t allow your work to meet the PhD standard, you may be awarded a lower-standard MPhil degree instead. For example, philosophy PhD candidates will be awarded a Master of Psychology degree instead of a Doctor of Philosophy degree. Typically, MPhil degrees are awarded in place of PhDs if your work lacks originality or the knowledge creation that a PhD requires. An MPhil degree ranks above MA and MSc degrees as the most advanced Masters degrees. An MPhil degree still demonstrates that you have the same skill set as someone who successfully obtained a PhD, and they are still valuable to employers.

6. Immediate Fail

An immediate fail is rare; a 2022 survey found that only 3.3% of PhD candidates fail their viva outright – it certainly isn’t something you should obsess over. If when you are preparing for your viva, you find some faults in your thesis, don’t be afraid to broach them yourself in your exam; this will show that you can present a passable thesis. `

PhD Viva Tips:

Don’t work with irrelevant guidance or tips.

While brushing up on generalised tips online can help you to feel prepared for your viva, remember that there will always be variability in the process, the focus of the exam, and the questions asked. The variable factors include your field of study and the university you are obtaining your doctorate. With this in mind, always chat with your supervisor to ensure you are preparing with the right and relevant knowledge.

Treat the Examiners as Equals

Your PhD defence may technically be an exam, and naturally, many PhD candidates are stressed, daunted, or overwhelmed by the process for weeks. However, you will do much better if you go into the exam with the mindset that you are equal with the academic panel and treat the examination as a discussion rather than an inquisition. Remember, your viva is your chance to be seen as a doctor, not a student.

Mindset Matters

After spending years on your thesis, you will know your subject inside and out; it is your area of expertise; don’t go into the viva with a defensive and confrontational mindset; remain confident in your knowledge creation and how it benefits your field of study. Imposter syndrome can come in hard here, so limit your negative self-talk and silence your inner critic.

Ask for a Mock Viva with Your Supervisor

Never be shy about asking your PhD supervisor for the support you need as you prepare for your viva. They will be best placed to answer all of your questions as they will know the procedure for your university and your field of research. Your PhD supervisor will likely have already been present in viva exams; they will know the score, and more importantly, after working with you for years, they will want you to pass your viva – never be shy about asking them to arrange a mock viva to help you prepare.

How long is a PhD?

If you look for an answer to the question, how long is a PhD thesis, you will notice that there is a lot of contradictory information on the internet because there is no one-size-fits-all answer for PhD students. How long does a PhD take ? Well, we’ve got all the info you need in our other blog

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Top 10 Ph.D. Viva Questions and How to Answer Them

Every doctoral candidate will complete the Ph.D. viva to defend a thesis and seek that coveted doctorate degree. You've worked hard throughout your academic career, and now you face this intimidating meeting! Before your viva, you might feel nervous, picturing yourself tap dancing as fast as you can in front of a firing squad. But your viva should feel more like a confident performance of your crowning research for an audience of adoring fans. Take a breath—you've done good work, and soon the committee will see that, too.

What is a Ph.D. viva? In this case, viva is short for viva voce, Latin for "living voice." The term refers to contexts in which responses to something are given out loud for people to hear, for example a real-time vote (all in favor, say "aye"!). In the academic context, the Ph.D. viva is a discussion between you (the Ph.D. candidate) and a panel of academic experts, during which you present your Ph.D. thesis. The panel of experts can include an internal and/or external examiner, your Ph.D. supervisor, and other people you can request to be in attendance, like your family members.

The examiner's main purpose is to determine that you've written your own thesis and ask you some probing questions about the work you've done. It's intended to be an open, frank conversation about your research, not an interrogation. Don't be afraid to challenge points your examiner makes if they don't align with what you've found in your study. Your expertise and passion about your work will demonstrate that you know your stuff and care deeply about it.

Of course, in order to think clearly and objectively about the subject you've been immersed in for months, you will need a healthy dose of confidence. To help you gain that confidence to make your viva a positive experience, preparation is key. Here are some prompts and questions you might be asked and how you can prepare beforehand to answer them.

1. Tell us about your study

Usually the first question is an opener and is asked with the goal of breaking the ice and getting you talking about your thesis. The items the panel presents to you will start broad and get more specific and involved as your viva progresses. Since you're here to talk about your project, give a good overview of who you are, your history in the field, and the process you followed in your study. You will have a lot of potential detail to provide, but since you won't know how much your panel is looking for, prepare synopses of different lengths: 1-minute, 3-minute, and 5-minute summaries.

2. What are your main research questions and why did you select them?

You'll very likely be prompted to talk about your research questions in detail, so be prepared to list the questions you set out to answer and the motivation behind selecting each one. Also, be prepared to discuss your aims, objectives, and hypotheses, just in case they ask about those as well.

3. What original contribution has your thesis made to this field of study?

Before you began your study, you probably looked at the gaps in the existing literature and decided on a research direction to fill those gaps. Now that you've finished your research, tell your panel what the world knows now as a result of your work. When future researchers delve into your subject matter, what will they cite you on?

4. Whose work has most influenced yours?

Because you went through the process of determining what your field of study still needs in terms of research and the kind of analysis that will contribute to it, you possess a pretty clear understanding of what has already been done. A lot of that knowledge comes from your academic journey leading up to the awarding of your doctorate, during which you've read a lot of papers and delved into the work that has been done before yours. Talk about the most influential works you've encountered. This can be a work that inspired you or papers that you felt were done poorly and motivated you to get it right. Bonus: The chair of the viva will be someone who knows a lot about your field, so take some time to get familiar with his or her work. Don't be a stalker, but be prepared to mention that you know what he or she has done. Not only will that demonstrate that you've prepared yourself for your presentation, but it will also show an interest in his or her life's work, which can't hurt. Don't spend too long on this, though—you're here primarily to talk about your work, not theirs.

5. What are the strengths and weaknesses of your thesis?

You certainly want to brag about your thesis and offer reasons why you and your work are great, so don't hold back about what went right. Start with the strengths; outline your main findings and give reasons why your study enabled you to uncover them. Then, while it might feel counterintuitive to point out the ways that your thesis isn't the greatest ever, a report about the weaknesses of your research shows a sense of self-awareness and humility that benefits your study in that it paves the way for future researchers and shows that you aren't blind to your own potential for growth. If you prepare your response to this question before your viva, you can craft your response to show that you have already thought about the ways you can address the weaknesses of your thesis.

6. What ethical considerations did you apply?

Most Ph.D. candidates encounter ethical issues during the course of their research, and the committee might want to know whether you took measures to ensure an ethical project. Did you follow any ethical protocols in gathering data? Did you provide informed consent to participants in your study? What are the ethical implications of your work?

7. Did your study go as expected? If you had to start the thesis again, what would you do differently?

Every researcher has at least some idea of what he or she might find upon performing a study. Many form research questions and perform the study to provide support for that expected outcome, but sometimes the research leads to a different result. Consider what your own expectations were before you began and the path your research process took, either in alignment with that expectation or not. Knowing what you know now, would you change anything about your research? Would you approach the process differently? Maybe you would forego a step or two knowing that it wasn't as consequential or helpful as you originally thought.

8. Now that you've completed your study, what did you enjoy about the process?

Ph.D. thesis examiners are looking for a candidate who is passionate about the work. Remember that they know exactly how stressful the process is, so avoid delving into the hardships you encountered. Instead, give a summary of the high points and the reasons you were excited to keep going. While you should keep the tone professional and avoid gushing, feel free to talk about your personal motivation for pursuing this study.

9. If funding was no object, how would you follow up on this project?

Every researcher faces limits regarding the scope of a study that prevent them from gathering as much data as they'd like. Time limits, budget caps, and lack of interest or willingness among study participants can all put a damper on the dreams a researcher has for an analysis. Money can solve most obstacles within an examination, so dream big—what could you make happen with an infinite budget? This is another question that reveals your passion for the subject.

10.What are your plans for the future?

Questions might not be limited to your thesis, so give some thought to where you will go from here. Describe your plans for your future research or professional pursuits; this gives the panel a sense of your passion for the work and sets you apart from a doctoral candidate who is just trying to check the boxes and get a diploma in hand.

The questions your panel asks you on the day of your viva will probably not be exactly the ones listed in this article, but these topics will almost certainly be covered during the discussion with your examiner. If you prepare responses to these questions and make sure you know your thesis inside and out, you will be much more ready to answer whatever the experts ask you. Equally important, planning out your responses will also help calm your nerves before this very important event, so give yourself the gift of preparation as you anticipate your Ph.D. viva. Good luck—you'll do great!

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Preparing for the Viva Exam

Introduction.

The Viva exam is an integral part of completing your DPhil. See the links at the bottom of this section for information and guidance on the formal University processes and what you need to do. This section also includes advice and hints and tips on how to prepare.

Don’t expect to do your Viva without preparing for it - take the preparation as seriously as writing your thesis. Take and plan the time to do the preparation – have a look at the Time Management section for help with this. You won’t be able to do everything that is suggested in this section, so think about the areas where you feel less confident, and prioritise those.

This content draws on the presentation made by Professor David Gavaghan on the   Completing your DPhil  course, and on material from Dr Melanie Ghoul , who delivers the Viva Preparation and Practice course for the Division.

The aim of the Viva is

• To check that the research in your thesis is of the required standard for a DPhil*
• To check that the work in your thesis is your own
• To check that you have a general knowledge of the research area covered by your thesis commensurate with holding a DPhil in that area

*The standard is 'that the student present a significant and substantial piece of research, of a kind which might reasonably be expected of a capable and diligent student after three or at most four years of full-time study in the case of a full time student, or eight years in the case of a part-time student.'

How to prepare

There is a lot you can do to prepare for your Viva and make it an effective and also – dare we say it – enjoyable experience! Yes, people do find it enjoyable to talk about their work and discuss it with their examiners – who are also after all, knowledgeable in your field. Remember that however many experts there are in your field, you are the only person who has done your specific piece of research, so you are the expert in your DPhil, and your examiners will be interested to hear about it.

Dr Melanie Ghoul delivers the Viva Preparation and Practice Course  for the Division. Her slides for the Viva Preparation course  provide comprehensive information and advice on the kind of things you can do to prepare in different areas. Working through them will help you get ready for the exam. These are some suggestions to help you replicate the face to face activities referred to in the slides:

Listing concerns

You are encouraged to think about and note your concerns, and discuss them with friends / colleagues / supervisor / others in your field. If that’s not possible, think about and note what you can do to address each concern.

• What strategies can you formulate?
• Who can you ask to help you?
• Where can you find information?

The examiner’s perspective

Talk to your supervisor and other academics in your field who have acted as examiners. What is their perspective?

• What are they looking for the candidate to demonstrate during the viva?
• What is their advice?
• What is the purpose of the viva, in their opinion?
• What makes a strong viva performance?
• What makes a weak performance?
• Advice on how to prepare beforehand
• Advice on how to cope during the viva.

 The University’s Memorandum for Examiners will also give you a perspective on what they are looking for.

The Student's Perspective

Find someone – in your field or another – who has recently completed their Viva. Ask them how it was.

• What did they do to prepare?
• What do they wish they had done differently?
• What kind of questions did the examiners ask?
• What advice do they have for appointing examiners?
• What other advice do they have for you?

Practice Session

The face to face Viva preparation course offers an opportunity for a ‘live’ short practice session with other students. You could organise the same kind of session with fellow students or colleagues.  There are some ideas for questions in this Vitae resource .

Other resources and ideas

Vitae pages on The Viva . These contain useful information, including book recommendations and a Viva preparation checklist.

Book: How to Survive your Viva, R Murray

Formal bits

The Division's pages on Examination and Graduation , which include a section on the Viva.

The University page on Research Examinations .

On this page

Top 12 Potential PhD Viva Questions and How to Answer Them

Breathed a sigh of relief after submitting the PhD thesis you’ve burnt the midnight oil for? Not so soon! While submitting your thesis is a massive achievement, defending it decides whether you will receive the doctoral degree or not. Although every PhD viva examination is different, there are similarities in the types of questions asked at each. In this article, we shall discuss the most common and potential PhD viva questions and how to answer them.

Types of PhD Viva Questions

Generally, examiners prepare a series of questions for you to answer at the PhD viva voce examination. These questions are primarily based on your thesis. However, the questions asked in PhD viva examinations can be broadly grouped under four basic headings:

• General Questions
• Research Context and Methods
• Analysis and Findings
• Discussions and Conclusion/Implications

Therefore, while preparing for your PhD viva and defending your thesis , you must consider the types of questions you’re likely to be asked. This helps in practicing your answers in advance and not being baffled during the viva. Practicing how you would answer questions based on these four basic categories will take you a long way in your preparations.

Commonly Asked PhD Viva Questions and How to Answer Them

While sticking to answering the most commonly asked questions might sound simple, it is equally important to be prepared for counter questions. Furthermore, it’s easy to go off on a tangent due to nervousness. This leads to opening up other lines of enquiry from the examiners in areas you hadn’t probably expected to be questioned about.

Ideally, you aren’t expected to dictate your thesis as it is. Examiners are interested in knowing your understanding of the research, its methods, analysis and findings, conclusion and implications, etc.

Despite the differences in every PhD viva, you must be prepared to answer these common questions logically. Below are some popular PhD viva questions to prepare:

1. Tell me about yourself.

Introduce yourself and talk about your areas of interest related to research. More importantly, focus on the areas you are extremely positive about. Briefly speak about your past achievements without overwhelming the examiners and sounding boastful. Keep the introduction professional.

2. What is the reason for selecting this research question?

The response to this question is often generalized by saying that you are interested in the topic. However, examiners want to hear the specifications of your interest in the topic. You must plan your answer stating the most interesting aspect of your research and why did you choose the research question over another topic from the same or allied domain. Furthermore, cite certain instances that helped you in selecting the research topic and the particular field for your project.

3. What is the key focus of your research?

Remember that the answer to this question is not about summarizing your research. It involves talking about the area of primary focus of research. Most importantly, in order to demonstrate the viability of your research, it is essential to identify some of the key questions it addresses.

4. Did the research process go as per your plan or were there any unexpected circumstances that you had to deal with?

The purpose of this question is not only to see whether you can work as per your structured plan, but also to understand your readiness with backup plans in case of unforeseen situations. An ideal way to answer this is by clearly stating if the project went as per your predefined plan. Furthermore, be honest in mentioning if you were assisted by others in dealing with it, as it may lead to a new set of questioning from the examiners.

5. After completion of your research, which part of the process did you enjoy the most and why?

Remember that the examiners know about a PhD student’s stressful journey . Therefore, do not elaborate on the hardships that you went through during your research, unless asked otherwise. Emphasize on the aspects of the research project that you enjoyed and looked forward to every time you stepped in your laboratory. Describe how you developed interest in newer approaches to conduct research.

6. As a researcher, what change has this research brought in you?

This question demands a strong, progressive, and positive response. Remember your first day in the research laboratory and compare it to today. Identify the differences in your traits as a researcher. Mention how following, reading, and analyzing other researchers’ works have brought a positive change in you. Furthermore, address how you overcame your shortcomings as a researcher and upskilled yourself.

7. Summarize your thesis.

Be well versed with the entire project. Start by explaining why you selected the topic of your thesis and close your explanation by providing an optimum solution to the problem. You must prepare for 3 types of answers for this question. Prepare a 1-minute, 3-5 minutes, and 10-minute summary and use the correct one based on your audience at the viva.

8. What developments have you witnessed in this field since you began your doctorate? How did these developments change your research context?

Familiarize yourself with the advances in your field throughout your PhD. Mention works of researchers you have referred to while working on your project. Additionally, elaborate on how other researchers’ work influenced your research and directed you to finding results.

9. What original contribution has your thesis made to this field of study?

Answer this question by keeping in mind what was known before in published literature and what you have added as part of being awarded your PhD. Firstly, you must present a major piece of new information during your research project. Secondly, elaborate on how your research expands the existing literature. Thirdly, mention how your work is different from other researchers’ works that you referred. Finally, discuss how you developed a new product or improved an existing one.

10. How well did the study design work?

While answering this question, you must focus on how your planned methods and methodologies were executed. Furthermore, mention how you tackled difficulties in study design and concluded your research.

11. Elaborate on your main findings and how do they relate to literature in your field?

While answering this question, elaborate on how you evaluated the key findings in your research. Mention the key factors involved and the reason for choosing a particular process of evaluation. Furthermore, explain how your findings are related with the literature review of your project. Mention its significant contributions in your field of research. In addition, discuss how your research findings connect with your hypothesis as well as the conclusion of your research.

12. What is the strength and weakness of your research?

While you may want to impress the examiner by emphasizing on the strengths of your research, being aware of the weaknesses and planning a directional move to overcome them is also equally important. Hence, mention the strengths first and elaborate on how they connect with the key findings. Additionally, underline the limitations and the factors that could be transformed into strengths in future research.

How nervous were you while preparing for your PhD viva voce? Did you follow any specific tips to ace your PhD viva voce ? How important is it to prepare for these common PhD viva questions beforehand? Let us know how you prepared for your PhD viva voce in the comments section below! You can also visit our  Q&A forum  for frequently asked questions related to different aspects of research writing and publishing answered by our team that comprises subject-matter experts, eminent researchers, and publication experts.

Really useful in helping me put a plan / script together for my forthcoming viva. Some interesting questions that I hadn’t thought about before reading this article – the proof of the pudding will be how well the viva goes of course, but at least I now have a head start! Many thanks

Thank you, this is super helpful. I have my viva voce in a month and I’ll be using these questions as a guide

Well framed questions

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How to prepare your viva opening speech

A viva, or PhD thesis defence, typically starts with an opening speech by the PhD candidate. This opening speech can be prepared in advance. How? By following six simple steps that take you from checking university requirements, to structuring and practising your viva opening speech.

What is a viva opening speech?

Step 1: check the requirements for your viva opening speech, step 2: define the audience for your viva opening speech, step 3: develop key messages for your viva opening speech, step 4: structure your viva opening speech, step 5: create visual support for your viva opening speech, step 6: practice your viva opening speech.

Submitting a PhD thesis feels like a major milestone. And it is! But before being able to call themselves a ‘doctor’, most PhD students have to defend their thesis. And this thesis defence, or viva, tends to start with an opening speech.

A viva opening speech is a short presentation of the PhD thesis by the PhD candidate. It typically lasts between 10 and 30 minutes and kicks off the PhD defence during which the candidate has to answer questions from the examiners.

Questions from examiners are relatively unpredictable. A viva opening speech, however, can be prepared and practised in advance! Therefore, it constitutes a major part of getting reading for a PhD thesis defence.

Different universities have (sometimes vastly) different requirements for viva opening speeches. So, unfortunately, there is no one-size-fits-all advice.

Therefore, the first step to preparing a viva opening speech should always be to find out the specific regulations of your university.

Common factors to consider are the following:

• The length of the viva opening speech. Whether you have to prepare a 10-minute or a 30-minutes presentation matters considerably.
• The use of a (PowerPoint) presentation. Some universities require presentation slides. Others don’t. Make sure to follow all requirements or customary standards.
• The focus of the speech. Some universities explicitly ask for a summary of the whole PhD thesis. Others may prefer several key findings, or arguments to kick off the discussion.
• The target audience of the speech. Find out who you are supposed to address in your speech. More on this in Step 2!

Some information is easy to find. Some isn’t. Always talk to your PhD supervisor/s! PhD supervisors will know about the university requirements, can share their experiences and guide you in the right direction.

Once you are aware of your university’s regulation concerning viva opening speeches, it is smart to think a bit more about the target audience of your speech.

The target audience for your viva opening speech will influence the level of detail in your presentation, the complexity of the information, and the language and terminology you will use.

In the UK, for instance, the thesis defence usually involves only the examiners and the candidate. Thus, the viva opening speech will be directed at the examiners, who have all read the PhD thesis in advance and are experts in the candidate’s research field.

In contrast, in the Netherlands, for instance, PhD defences are public events. Viva opening speeches during these public events are used to share the focus of the thesis in simple language with the audience. The audience is usually family, friends and colleagues. Examiners are not even present during the speech.

Now it is time to brainstorm about the content of your viva opening speech! One harsh truth is that you simply cannot include everything. Summarising the work of 3, 4 or more years in a few minutes is incredibly challenging. You have to be selective. You have to summarise, abstract and prioritise.

The key messages for your viva opening speech should be in line with the nature of your PhD thesis. For those who have read your PhD thesis in advance, the content of your viva opening speech should not come as a surprise.

For instance, if you wrote a very theoretical PhD thesis, it makes no sense to focus your whole speech on your data collection and analysis. Instead, it makes more sense to emphasise the theoretical contributions of your PhD.

Next up, you should structure your viva opening speech: Breaking up the key messages into concrete parts helps you to develop a logic and convincing storyline.

Common ways to structure viva presentations are around the table of contents of the PhD thesis, around key findings, key arguments, or around case studies.

Finding the right structure for your opening speech is so important that I wrote a whole post on how to structure your viva presentation, including examples of different viva presentation structures .

As in every speech or presentation, visual support can be helpful. Therefore, if you are allowed to use PowerPoint slides or other forms of visual support for your viva opening speech, it is sensible to make use of this opportunity.

As with regular presentations, avoid too much text on slides. Instead, make strategic use of images, photographs, figures or diagrams to develop your storyline and bring your points across.

Finally, practice your viva opening speech! If your target audience is the thesis examiners, present your speech to your supervisor/s or fellow PhD students. Ask them for feedback and use it to improve your speech.

If the target audience is the general public, present to family members or friends outside of academia. Do they understand what you are talking about? Can they follow your storyline?

You should practice your viva opening speech up to the point that you can present freely, without reading from your notes. However, don’t learn the whole speech by heart. It is always noticeable if someone just recites text, and it will make you sound like a robot.

Lastly, when you practice make sure to keep a timer at hand. Most viva opening speeches have to adhere to a strict time limitation, and will simply be cut off if they exceed the given time. You don’t want this to happen on your big day! So make sure to practice sticking to your time.

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• Blog & Resources

Viva, Soutenance, Disputation: How PhD Students around the World Defend Their Thesis | Lex Academic Blog

22 November 2021

Our recent posts on avoiding major and minor PhD corrections focused primarily on the run-up to and aftermath of defending a thesis in the UK. It occurred to us that for students considering a PhD, or established UK-based academics who have been asked to examine a PhD abroad, it would be useful to know how students in different countries defend their thesis. For the sake of readers unfamiliar with the UK system, let’s begin with a summary. In the UK, students defend their thesis in front of two examiners, at least one of whom must be external to the student’s university, in an examination called a viva voce , or viva. After the exam, the examiners make one of four recommendations: pass with no corrections, pass with minor corrections, pass with major corrections, or fail – resubmission. The majority of students pass with corrections (for more on the difference between minor and major corrections, click the links above), which the student must implement before they can be awarded their degree.

Like those in the UK, students in the US and Australia are usually required to make amendments to their thesis after examination. PhD programmes in the US require students to take and pass oral examinations, or ‘defences’, at regular intervals. Unlike in the UK, where students rarely know their examiners well, as this testimony shows, students in the US system are examined by the same committee throughout their studies. In Australia, the process of submitting and defending a thesis seems to vary between institutions. At the University of Sydney , for instance, students, in consultation with their supervisor, choose between a viva-like oral examination and a thesis-only examination, where the examiners each produce an extensive review of the thesis. The University of Melbourne requires students to present their research at a public completion seminar in the six months before submission.

In many European countries, the concept of PhD corrections doesn’t exist. At the Freie Universität Berlin in Germany, students are awarded a grade ( summa cum laude (distinction), magna cum laude (very good), etc.) for their doctorate, based on the thesis itself and their performance at their viva, or Disputation . Once the thesis has been corrected by the examiners, it is made available for viewing by postdoctoral members of the student’s department before the Disputation . Students in Germany must also publish their thesis in order to receive their award. Unlike a viva in the UK, a French soutenance is a public event. Students defend their thesis in front of a jury , or panel, of examiners. The supervisor, who in the UK may attend a viva but is prohibited from speaking, is usually a member of the panel. The student first gives a presentation about their thesis topic and then responds to questions from each examiner. Unlike in the UK, students in the French system don’t make corrections to the thesis after defending. Instead, the examiners produce a report on the strengths and weaknesses of the thesis, which is a key part of academic job applications, even for senior positions.

In Scandinavian countries, the defence of a PhD thesis is often a ceremonial, highly coded event (this piece by an American academic who was the external examiner for a thesis at a Swedish university describes how the student had to nail – literally – their abstract to a plank in a department common room as a symbol of the public release of the thesis!). At Halmstad University in Sweden, the student defends their thesis publicly and in the presence of an external specialist known as the ‘opponent’. The student may present their thesis, but it’s also possible for the opponent to present the thesis and compare it to existing research in the field. A similar system is used at the University of Helsinki in Finland, where traditionally a strict formal dress code must be adhered to. These codes may sound rather daunting, but in practice few students fail their defence (and the rules on dress are now the subject of debate). The public event is usually cancelled if an examiner deems the work to be below doctoral standard.

Because the process of submitting and defending a thesis varies considerably between countries, students thinking about a PhD, as well as those advising them, would be wise to make this process, as well as other factors like funding and duration, a part of their decision making when applying to universities. Even if you don’t really mind how your thesis is examined, it’s good to know what you’re letting yourself in for.

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Experiences of a London PhD student and beyond

What is a PhD Viva Like? Sharing Graduates’ Experiences

When you’re trying to prepare for a PhD viva it can be really difficult to know what to expect. Unlike pretty much every other exam you’ll have experienced, the viva isn’t a standardised exam so you won’t find any past papers to practice on!

In this post I’ll be sharing the inside scoop on what a PhD viva is like. Both from my own experiences plus those of a few other PhD graduates.

Preparing for your viva? You may also want to take a look at some of the other PhD viva content I’ve written:

How to Defend a Thesis: An Introduction to the PhD Viva

Common phd viva questions.

Note: Every viva is different, in this post I’m focussing on my viva which took place in the UK. Two PhD graduates in Spain and the US also share their experiences.

What is a PhD viva?

For those who aren’t already familiar with what a PhD viva is, I’d highly recommend reading my full post on How to Defend a Thesis: An Introduction to the PhD Viva . This delves into how a PhD viva is assessed, who is present, the potential outcomes and what follows after.

As a quick recap, a PhD viva (also called a defense in some countries) is the final assessment a PhD student undertakes in order to pass their PhD. The format the viva can take varies from country to country and even institution to institution, but it typically involves discussing and defending your PhD thesis with experts in your field.

In this post you’ll hear about the viva experiences of three PhD graduates, each with a slightly different format.

To get the best understanding of how PhD vivas take place at your university I’d recommend:

• Checking out any webpages your university have which formally outline the viva process
• Speaking to your PhD supervisor
• Chatting to colleagues such as postdocs who’ve been through it

Viva Experiences from PhD Grads

Prof elizabeth bondi-kelly , phd from harvard university, usa. assistant professor in computer science at university of michigan.

What was your PhD viva like? At my (virtual) defense, I had my committee, adviser, labmates, and family/friends. I was fortunate to give my job talk presentation again for my defense, so I had already had a lot of practice with presenting it and being asked questions about it.

How do you suggest people prepare for their PhD viva? For anyone who hasn’t had that opportunity, I highly recommend practicing to get a polished talk and practice answering questions about it.

Prof Raúl Santos-Rodríguez , PhD from Universidad Carlos III de Madrid, Spain. Full Professor in AI at University of Bristol.

What are PhD vivas like in Spain? The viva process in Spain varies from university to university. In most cases there are a few previous filters (internal/external reports) that make it such that, once you are through those, most of the pressure is off for the actual defence. The viva consists of a public presentation (usually with colleagues, friends and family in the audience) followed by questions from a panel, with each member asking their questions in turns. Both presentation and Q&A tend to be time limited (around 45 minutes each). 

What was your PhD viva like? My viva experience was nerve-wracking but rewarding too. I remember how the exercise of putting together the presentation with the panel in mind actually gave me quite a different perspective on how to tell the story of my thesis. The event took place in a rather formal lecture room in our faculty. The panel consisted of five examiners (three externals including one from abroad, and two internals), all of whom were experts in my field of study. The panel asked me a wide range of questions, covering both very specific details and very high level matters. Once I answered their questions to their satisfaction, and after a short deliberation, I was given the good news. Overall, I found the viva to be a challenging but stimulating experience — and a good memory.

How do you suggest people prepare for their PhD viva? In terms of advice, I would suggest to:

• Expect to be surprised by unexpected questions about your research
• Be clear and concise, allowing examiners to ask for more details if needed
• Practice your presentation without being constrained to say the same things every time
• Not be afraid to ask for clarification if you don’t understand and take your time to respond
• Enjoy the interaction with the examiners as they are experts that have a lot to add to your work

Me! PhD from Imperial College London, UK. Research Fellow in AI at Bristol.

What was your PhD viva like? My viva, which took place over Microsoft Teams, included just an internal examiner, external examiner and myself. I gave a short presentation giving a summary of my PhD then about five hours were spent giving suggestions to improve content I was preparing to submit to journals. It was much less intimidating than I was expecting.

How do you suggest people prepare for their PhD viva? I mainly suggest to not over prepare! Sure, reread your thesis and swot up on any content you don’t feel comfortable describing (for instance certain techniques you’ve used), but I would caution against rehearsing too much: come to terms with the fact that you won’t be able to predict all the questions you’ll get asked.

I’ll be sharing more details on my viva experience in the rest of the post.

How To Prepare For a PhD Viva: The Advice I Was Given

Ahead of my own viva I typically got told to:

Relax and take your time in replying . This is somewhat sensible advice but a bit like telling someone to calm down: it doesn’t always work. Furthermore, relaxing can be hard to do when you also get told to…

Be prepared to answer questions about every part of your work . At face value this can seem reasonable: if you did the work, and deserve a PhD, you should be able to explain your work. Like many of us I heard the horror stories of examiners asking students to provide an explanation of fundamental techniques from first principles such as: “derive energy”!

However, I don’t think any rational examiner can expect a student to be able to answer every possible question about their PhD work. Not least because many students aren’t relaxed during the viva and instead are filled with nerves.

Thankfully, the reality is that examiners simply need to check that you’ve done the work and understand it. Therefore, yes you should be able to give a broad explanation of the techniques you’ve used but you can’t be expected to know everything about every technique.

Once it strays from your work to underlying principles I suggest that you explain as much as you feel comfortable then push back – the internal examiner (who acts as a moderator) should also step in if unreasonable questions are being asked. For more details on what PhD examiners are looking for, read this section of another post I’ve written .

How I Prepared for My PhD Viva

The time between submitting my thesis (14th February) and viva (25th March) was shorter than for most people. On top of that I didn’t spend long writing my thesis, meaning that the time between finishing my actual research and my viva was pretty short (around two months). Therefore I didn’t feel the need to “revise” for my viva. As in, sometimes you’ll hear of people reminding themselves of how certain experimental or analytic techniques work, but it was pretty fresh in my memory.

Instead, about 48 hours before my viva I started to read through my thesis. This is going to sound really bad but this was actually my first (and only) time properly reading through my thesis. No, I didn’t outsource or use ChatGPT to write my thesis!

When I submitted my thesis I had of course assembled all the chapters but had never given it a proper cohesive read all the way through. I read through the thesis over the course of 4-5 sittings. Reading fiction is definitely more fun .

I personally didn’t prepare by trying to come up with answers for lots of potential questions. But if you’re keen to have those to hand, read my Common PhD Viva Questions .

Preparing for your own viva? I’ve created a set of viva preparation worksheets which are available for free in the resource library. Click the image below for access!

Why didn’t I prepare more?

I felt pretty relaxed about my viva. This isn’t because I am crazy clever or knowledgable. In fact, like many of us I’ve felt imposter syndrome, waiting for the moment that my lack of knowledge gets discovered: and if there ever a moment you’d expect this to happen it would be at your viva.

These three things relaxed me for the viva:

• The external examiner seemed nice from the time I’d met him in the past at a conference. Certainly not a sure-fire sign that he wouldn’t turn into a scary beast during a viva but it seemed like a good starting point.
• It was virtual. My viva took place right at the start of COVID and as such took place over Teams. For some reason this felt reassuring, as if I could get away with just unplugging my internet connection if they asked anything particularly scary. Thankfully I didn’t ever feel the need to try this out!
• I had published PhD work in a well-ranked respected peer-reviewed journal. This was far and away the most reassuring thing. As mentioned in another post, examiners have to be confident in all of the following things to let you pass your PhD viva. If you have published some of your work somewhere respectable you tick many of the boxes immediately:

Oh, and I also didn’t prepare much because I was preoccupied with moving from London the week before my viva because of COVID and the start of lockdowns. Unexpectedly I ended up moving in with my girlfriend’s parents. It was rather chaotic but probably a useful distraction too.

My PhD Viva Experience

Who was at my viva.

Unlike vivas in other countries, such as the two international experiences shared above, a viva in the UK usually only involves:

• PhD student – me in this case!
• Internal examiner – an academic working in the same research area from the host university. They’re there to moderate the discussion and check that the university’s viva regulations are followed.
• External examiner – another academic working in the research area from a different university. In my case this was someone who was a leader in the field who came from another UK university.

Optionally the PhD student may ask their supervisor to attend. I’ve known of a few people who’ve had their supervisor there too, though it’s pretty rare and unnecessary in my opinion.

How long did my PhD viva last?

All in all it was about five and a half hours.

This was much longer than I anticipated. When we scheduled the viva to start at 10am I naively expected us to be finished by lunch. Admittedly the examiners did suggest stopping for a break at lunch time but again I naively thought we’d be done shortly afterwards, so declined the opportunity for more than a 5 minute comfort break. In the end we finished up around 3:30pm.

How was my PhD viva structured?

• Introductions (2 minutes) . I’d actually never met my internal examiner (who should act as a moderator) so introductions were necessary.
• Presentation (10 minutes) . A few weeks in advance of the viva I asked whether or not the examiners would like a presentation, and if so of what length. They said yes, 10-12 minutes. My supervisor strongly suggested making it on the shorter side: short and snappy is good and you’re about to have hours to discuss the details.
• Discussion (5 hours, yes, really!) . More on this in a moment.
• Decision and final comments (10 minutes) . I was asked to leave the metaphorical room (Teams call, remember!) and after a few minutes was invited back in after which they told me I’d passed with minor corrections. They gave a summary of the next steps, which were mostly administrative with paperwork, and briefly went over what changes/corrections they were expecting to the thesis.

What did we discuss for five hours?

Before my viva I had visions of it being like a job interview that lasts for hours and hours. They ask a slightly tough or awkward question, you try and answer, rinse and repeat x 100. The reality was really different.

The experience was much less intense than I was expecting. The examiners said from the outset that they were happy with the quality of the work and just aimed to give feedback to improve both the thesis and publications.

The vast majority of the viva was spent going page by page through the thesis covering points that the examiners had written down: not questions, merely suggestions. Very little of the viva involved me getting questioned: most of what I said was probably along the lines of “I agree, that’s a great idea”.

The examiners commented that they liked the [short] length of the thesis (140 pages before references) which may have helped. I was expecting at least a few dodgy questions such as explaining the content of a particular reference or deriving something from first principles. In all honestly I’m not sure I’d have been prepared for some of this, so was fine with not getting a hard time of it.

There were very few questions in general which was somewhat of a relief, though I was kind of looking forward to more of a discussion around the project. There were only two actual questions I think I got asked: one explaining why a particular technique wasn’t representative, and secondly a much more fluffy question of what would I do differently if I was starting again. That was it. I was really expecting more questions.

Every viva is unique so I can’t claim that my experience is representative but I will say that it was a relief to get through it unscathed.

What I wish I’d done differently

Asked more questions myself . The viva is one of the few times you’re likely to have hours of access to academic experts with such a keen interest in your work.

Was it tiring?

A little, just as any meeting which lasts over five hours would be. But because I didn’t feel like I was actually getting quizzed the whole time it was nowhere near as tiring as it could have been. Mostly I was tired just from having to pay attention for that long: I usually don’t sit still for more than 20 minutes!

What happened afterwards?

My viva was in March 2020, at the start of lockdown. I’d moved from London just the week prior and had to cancel the scheduled celebratory drinks with colleagues. So instead I had a glass of champagne with my girlfriend and her parents (who I was staying with).

After that, I got cracking right away the next morning on making the examiners’ suggested changes to my thesis.

My Advice If You’re Preparing For Your Own PhD Viva

• Download my free viva preparation guide .
• Read your thesis!
• Look up likely questions (if you want), here are some Common PhD Viva Questions
• Don’t over prepare
• Be honest. If you’re not sure about something, make this clear. Feel free to say you’re not sure.
• Ask questions
• Enjoy it! Channel those nerves as excitement and make the most of having experts show such an interest in your work.

Do you have any other questions about the PhD viva experience? Let me know in the comments and I’ll answer them as best I can!

If you’d like personalised help with preparing for your PhD viva I am now starting to offer a small number of one-to-one sessions. Please contact me to find out more or click here to book a call.

If you’re currently preparing for your own PhD viva, best of luck and remember to enjoy it! Be sure to check out the couple of other viva-related posts I’ve written .

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Ace Your Viva Presentation: Tips and Tricks

The thought of an oral presentation can be a huge source of stress and anxiety for many students, while some just blossom in such situations. If you’re one of the former, though, don’t panic. With decent preparation and practice, you too can successfully master your viva presentation.

But first: what is a viva presentation?

Viva voce is a Latin phrase most often translated as “by word of mouth.”  In academic circles, a viva presentation is an oral exam in which you defend your thesis.

After the thesis is defended, it’s discussed by a small panel. Among those present are the examining professors, but there may also be research assistants, members of the relevant department or even fellow students.

The purpose of this defense is to show examiners how knowledgeable you are on your research topic, that you have internalized what you have learned and know how to apply it.  In effect, it shows that you are well prepared to enter into academic discussion.

In principle, the viva presentation won’t make an entire grade’s difference, but it can tip the proverbial scale in your favor. It does offer some major advantages: You can clear up any ambiguities, assuage any doubts your examiners may have, and show that your stand by your research.

Preparation is key

After months or even years of hard work, the thesis is finished, the last formatting mistakes corrected, the bibliography painstakingly checked one last time and hooray, it’s finished! Time to celebrate! And then you get an invitation to the viva …

So, the wine bottle is re-corked and it’s back to the desk. But the good news is: you’ve actually already done most of the preparation. That’s what all the in-depth research you did to create your thesis was. You’re already an expert on your topic, so now you just need to explain it to your examiners clearly and calmly. That’s why it doesn’t make sense to start preparing for your viva before your thesis is finished and you’ve answered all your own questions.

Your supervisor should already know what to expect and the purpose of the viva is to present your results. Some people just hand in their thesis with huge relief and then put the whole thing out of their mind for a while.

This isn’t necessarily a problem but when the viva presentation is due, you really need to give yourself time to familiarize yourself with the topic again. Re-read your thesis a few times to get your results and methods fresh in your mind and you’ve already done much of the prep work for your viva.

Organizational details

You need to check the examination regulations of your institution to find out what will be required of you during your viva presentation. How long should the presentation last? Who will be present? How will the discussion group be structured at the end? Studies have shown that anxiety is significantly lessened if you know exactly what to expect. Don’t ignore these details.

Make sure you have the right power supply for the projector and whether your slide format is compatible with the projector. An article on slide formats and the difference between 4:3 and 16:9 can be found here .

Know how long your presentation should be. This often depends on what type of work you’re presenting. Be sure to keep this in mind as you create your slides.

Also, think about whether or not you want to provide a handout. Even if it isn’t explicitly required, examiners will often use a handout as a guide when asking their questions, allowing you to better control the discussion that follows.

You can find helpful tips on handouts here .

Lastly, think about what you’re going to wear for your viva presentation. If you’re not sure, take a cue from your examiners. If they wear a suit or dress to other viva presentations, it’s safe to assume that the dress code for your viva will be on the formal side. It’s important to look neat and tidy, but you should also feel comfortable. The wrong shoes or clothing that is too tight can negatively impact the way you present. You can find more helpful tips on clothing here .

Technical details

The most popular tool for giving a viva presentation is PowerPoint. On the day of your presentation, get there early to make sure your devices are working. It also helps to be familiar with PowerPoint’s features, such as Presenter View. This fantastic tool will help you stay on track during your viva presentation. For more information on Presenter View, click here .

In general, the rule for viva presentations is: Keep It Simple . This is a defense of your academic research and your slides should express that. Keep it classic and factual. Use a uniform font and a neutral, preferably white, background. You can use backgrounds from PresentationLoad:

In principle, you should use as little text and as few key points as possible, but it’s also essential to document your research accurately. Room for interpretation can be very dangerous here.

Naturally, it depends on the preferences of the examiners, but a little more text than in normal presentations is definitely allowed. If the nature of your work allows, graphics, photos or flowcharts are a good way to offer some variety and to clearly present complex issues.

How to structure a successful viva presentation

Like your thesis, your viva PowerPoint presentation should follow a certain structure. It is advisable to follow the structure of your thesis. After all, you have already given it a lot of thought and made sure that everything is in a logical context.

This way you can save yourself additional work. But remember – the presentation is not about retelling your thesis word for word. Just give the most important and interesting aspects.

Follow these points to create a solid structure for any viva presentation:

1) Relevance

Your thesis dealt in depth with a particular question, a specific aspect of research. In the first part of your viva PowerPoint presentation you introduce it and explain why it is relevant. What is the benefit for academic understanding, the general public, a specific avenue? Why this question in particular?

This allows you to show your audience why you chose your topic and why they should pay attention to what you have to say. All this needs to be supported by a professional introduction. You can find tips on how to do this here .

2) Background

This is where you set out the background of your research question in more detail, i.e. the most important theories and approaches that already exist on the topic, or which prompted your question. This helps your listeners prepare for any complex interrelationships, and clarifies the basis on which you have built your work.

In this part you set out how you approached your work. Was your research qualitative or quantitative? Did you conduct interviews, analyze data, evaluate a particular body of literature? This is your chance to show your examiners how carefully you worked and explain why you chose this particular method.

4) Findings

Now to present the results of your research. Were there any surprises? If so, how did you deal with them? Are the results consistent, where did you encounter difficulties, and how did you solve them? Use this section to talk about your research in a transparent and honest way. It’s an opportunity to show that you have dealt with the topic seriously and in depth, rather than just choosing the easiest way.

5) Conclusion

At the end, summarize your work clearly and concisely, and answer the research question posed at the beginning. You can also express your personal opinion as to whether you have achieved the result you expected or whether your research has come to a surprising conclusion.

Finally, you will need a well-rounded conclusion to your viva presentation. You can read tips for the perfect presentation ending here .

Whether you have to present your sources at the end of your viva is something to discuss with your supervisor or read up in the regulations. If in doubt, however, it’s better to be on the safe side with a list of sources.

Viva presentation: example

Since every viva is different, there is no one example of a great PowerPoint viva presentation. In our blog you will find numerous examples of how a well-structured and appealing PowerPoint presentation can look. For example, here . These should serve as a guide; it’s important to adapt the presentation to your personal requirements and your audience.

Make sure your narrative is clear and consistent throughout your presentation (as it was in your thesis).  It might be a good idea to ask your supervisor to show you good viva presentation example from previous years or to give you tips on where you should focus your attention.

General tips for a successful presentation

Almost there! You’ve created and double-checked your PowerPoint viva presentation and you’re feeling confident about your research work. For many people, though, creating the content is the easy bit; it’s the thought of speaking in front of others that terrifies them. It’s just a fact that in order to defend a thesis, you first have to be attacked .

1. Be prepared for critical questions and comments. Think through what possible aspects of your work might attract criticism, and prepare your rebuttals in advance. It helps to let friends or family read your work and ask questions.

2. The same friends and family can be amazingly useful as a practice audience. Deliver your presentation a few times in front of others and in a relaxed environment. This will help you feel more confident when it comes time for your viva presentation. Your trial audience may discover inconsistencies you’d missed, and can often provide valuable feedback on how your slides look, your speaking style or your body language.

3. Body language is very important when you’re giving your presentation; it can affect your persuasiveness. Stand upright (or sit if you need to). A small amount of movement can emphasize your engagement with the subject, but try not to look restless.  Getting your words across means you mustn’t turn your face away from the audience. Small gestures can underline your words, but too much fidgeting will look like nerves. 

Practising giving your presentation will soon get your body language expressing ease and confidence. To learn how to best prepare for a presentation, read our blog article on the right body language

4. Many people tend to speak far too quickly in presentations, probably to get the whole thing over as quickly as possible. While this is understandable, it means the audience misses half your words! Try to breathe calmly and speak evenly.

Time can seem to speed up when you’re in a stressful situation, so speak more slowly than you think right. And taking a proper breath in between phrases will help ground you.  You can find tips on how to prepare your speaking voice for your viva presentation in this blog post .

Your test audience can give you very good feedback here. When you practice your presentation, use a stopwatch to make sure that you stay within the given limits. Once you know that you won’t overrun even when speaking calmly, you can avoid the temptation to rush during the official presentation.

5. Pro tip: Do you have to give your viva presentation online? If so, some things will of course be different, starting with what program you use to stream your presentation. You can find out what options you have in this blog post . Click here to read more about what to pay attention to when giving an online presentation.

While knowing what you want to say is important, DON’T try to learn your entire presentation by heart. Even if you somehow did manage to, it would end up sounding artificial and you could be easily thrown off track if you miss a word or someone interrupts with a question. The best strategy is to memorize a few key points and speak freely.

Take a deep breath before you start and remember that you have no reason to be nervous. Nobody knows your work as well as you do; you’ve done all the research and can consider yourself an expert on your topic.

And if a mistake does happen, here are some tips on how to react to it with confidence.

If the examiners seem receptive to it, a little small talk before you start can help you to relax. And once you start, remember that you’ve practiced hard and are well prepared to give an impressive viva presentation. Good luck!

Any questions about this article or need help creating a viva presentation? Feel free to contact us at [email protected] for tips. We’d love to help.

We’ve already shared a lot of links with tips on how to improve your presentation . Here are some more that may interest you:

• PowerPoint animations
• PowerPoint Morph
• Humor in presentations
• Add images to your presentation with an app
• PowerPoint slide master
• The right presentation background
• How to create flowcharts

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Viva Voce Examination

The viva voce.

A viva voce (oral examination) is compulsory for PhD and Professional Doctorate degrees

The viva voce provides you with an opportunity to defend your thesis and it assists the examiners in deciding whether or not you have met the requirements for the PhD degree. 

The Examination Committee will examine:

• The originality of the work described and the theories developed in the thesis
• Your familiarity with the published work of other authors in related areas
• Your ability to summarise the work of other authors and to synthesise a theoretical framework within which to position the work described in the thesis.

Outcomes of the Viva

Once the  viva voce  is competed you will be invited by the chairperson to withdraw from the room so that the examiners can deliberate. The Examiners will complete a joint report which will include a recommendation to:

(a) Award the Doctoral degree - no corrections required

(b) Award the Doctoral degree – revisions required

(c) Revise thesis and submit for re-examination

(d) Do not award the Doctoral degree - recommendation that the candidate transfer to an appropriate graduate programme

(f) Do not award the Doctoral degree

In most cases you will be invited, through the Chairperson, to hear the examiners' provisional recommendation once their discussions are complete.

Once you have the approval of the internal examiner that you have met the requirements of the Examination Committee you may submit your Final Thesis

Please see answers to frequently asked questions relating to vivas

Your supervisor and School will organise the nomination and approval of your Examination Committee about three months in advance of you submitting the thesis for examination. The  viva voce  examination will normally be held within two months of receipt of the thesis by the examiners. It is the responsibility of the chairperson of the  viva voce  to make all the arrangements for the oral examination.  Viva voce  examinations are normally held on campus.

Note: due to COVID-19 restrictions, vivas may take place virtually or semi-virtually. Please see  here  for further guidance on conducting a viva remotely. 

You will need to be prepared for a general discussion of your research area and a detailed explanation of your research and its conclusions. You also must be prepared for the examiners to approach the thesis from a different starting point than you and to emphasise different aspects of the thesis than you considered. You will be given the opportunity to defend your thesis in every respect. You should enlist some help from your supervisor in your preparation.

There are differing opinions on the value of doing a mock  viva voce . Some consider this practice run helpful in getting you talking about your research and hearing yourself speak. Talk to your supervisor about this and if you think it would help, ask them and/or other members of academic staff to put you through your paces.

You must be present, together with the Chairperson, Internal and External examiners. Your supervisor may attend in a silent capacity, if invited to do so by you, and the Chair of the Examination Committee agrees to this.

There are no rules concerning the length of time of a viva voce. Examiners have the discretion to make it as long or as short as they think necessary. Each combination of thesis, student and examiners is unique.

• No corrections required: You go directly to the submission of final thesis
• Revisions required:  This is used when there are changes required to the thesis but where examiners do not consider a new examination t be necessary. Revisions are typically carried out within three months if the  viva voce . During this time your student status will be "for assessment". There is no fee implication and you continue to have access to UCD facilities such as UCD Library and UCD email. Once you have completed the required corrections you should meet with your internal examiner (who is usually in charge of overseeing corrections) to review the corrections. If they are satisfied that all necessary corrections have been made, then you can proceed to the submission of final thesis procedure below.
• Revise thesis and submit for re-examination:  In this case more work needs to be carried out. There may be gaps in the literature review, data collection, analysis or discussion that need addressing. The time needed to do this will be specific to each candidate. You will need to register as a student for the period when you are completing the revisions to the thesis, for a minimum of one trimester. Your research will be supervised until the required work has been completed. Once the revisions are complete, you resubmit the thesis to the University together with the Research Degree Examination Form signed by your Supervisor. Upon submission of the thesis for re-examination, the Examination Committee shall be reconvened by the Chair of the Examination Committee to conduct a second  viva voce
• The candidate transfers to an appropriate graduate programme: Here, the Examination Committee deem that the research is not sufficient for the award of a PhD but merits the award of an exit degree such as a Research Master's degree. You will not be automatically awarded a research masters or other award. You need to change registration and the thesis would need to meet the relevant award criteria for the exit degree award. If the School and Graduate School approve of the transfer to the exit degree, it will be necessary to submit one hardbound copy of the thesis that has been fully amended to reflect the change to the exit degree to the Student Desk so that the University can consider the award of the degree.
• Do not award the Doctoral Degree: In this case the work is not deemed appropriate for any research award. You will receive a transcript for any taught modules taken during your time as a student in the University

A virtual viva voce is where the student or a member(s) of the examination committee participate in the examination via a virtual learning platform such as Zoom.   Normally, the viva voce examination for doctoral candidates and other research degree candidates, where applicable, takes place in-person at a University College Dublin campus. It is important to note that if student or member of the examination panel wish to take part virtually then permission  must  be sought in advance from the Graduate Research Board (GRB). See further information here .

Documents & Files

View or download the most useful policies, regulations and forms for graduate research students

Virtual Viva Voce Guidelines

View information and guidelines on conducting a viva virtually or semi-virtually

PhD Lifecycle

View the lifecycle of the PhD programme at UCD, from application to conferring

Thesis Submission

View information on thesis submission procedures

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FAQ: What is a thesis statement and how do I write one?

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Last Updated: Apr 01, 2024 Views: 7

What is a thesis statement.

A thesis statement is a sentence that states the main idea of your paper. It is not just a statement of fact, but a statement of position. What argument are you making about your topic? Your thesis should answer that question.

How long should my thesis statement be?

Thesis statements are often just one sentence. Keep thesis statements concise, without extra words or information. If you are having trouble keeping your thesis statement to one sentence, consider the following:

• Is your thesis is specific enough?
• Does your thesis directly supports your paper?
• Does your thesis accurately describes your purpose or argue your claim?

Can I see some example thesis statements?

The following websites have examples of thesis statements:

• Thesis Statements This link opens in a new window (UNC)
• Tips and Examples for Writing Thesis Statements This link opens in a new window (OWL at Purdue)
• Writing an Effective Thesis Statement This link opens in a new window (Indiana River State College)

These web resources may be helpful if you are looking for examples. However, be sure to evaluate any sources you use! The Shapiro Library cannot vouch for the accuracy of information provided on external websites.

Where can I find more information?

Video tutorials.

• The Persuasive Thesis: How to Write an Argument This link opens in a new window (SNHU Academic Support)
• Research and Citation Playlist This link opens in a new window (SNHU Academic Support)
• Planning a Paper series: Drafting a Thesis Statement This link opens in a new window ( Infobase Learning Cloud - SNHU Login Required)

More Information

• Build a Critical Analysis Thesis This link opens in a new window (SNHU Academic Support)
• Build a Compare & Contrast Thesis This link opens in a new window  (SNHU Academic Support)
• Build a History Thesis This link opens in a new window  (SNHU Academic Support)
• Build a Persuasive Thesis This link opens in a new window  (SNHU Academic Support)

Further Help

This information is intended to be a guideline, not expert advice. Please speak to your instructor about the appropriate way to craft thesis statements for your class assignments and projects.

Campus Students

To access Academic Support, visit your Brightspace course and select “Tutoring and Mentoring” from the Academic Support pulldown menu.

Online Students

To access help with citations and more, visit the Academic Support via modules in Brightspace:

• Academic Support Overview: Getting Help with your Schoolwork This link opens in a new window

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Microsoft 365 Life Hacks > Writing > How AI can help you improve your thesis statement

How AI can help you improve your thesis statement

Creating a thesis statement can be a challenging undertaking. Thankfully, today’s writers can use AI to assist in the creation process. While writing with AI can feel intimidating, the right tools and knowing how to use them can enhance your thesis statement and guide you through the creation process. From generating ideas to polishing your final draft, here’s how to use AI to create a quality thesis.

Selecting a topic

AI-powered tools have access to vast databases of academic papers, journals, and other scholarly materials. If you’re trying to choose a thesis topic or questioning the viability of your current topic, AI can assist by brainstorming ideas and highlighting relevant research you can use as evidence for your claims.

Creating an initial draft

AI tools can help you create a preliminary draft of your thesis statement, which you can continue to build on as your argument and research evolve. You can request a fresh draft at any stage in the writing process, as AI only requires basic information about your topic and area of research to get started. Based on your input, the AI tool will utilize its database of knowledge to generate a thesis statement.

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Refining your thesis with AI feedback

Once you have a solid draft, utilize AI feedback to refine your writing. Ask for an analysis of your thesis statement for clarity, coherence, grammar, and more. By highlighting areas for improvement, AI can help refine your thesis statement so it accurately conveys your research focus and argument. There are a few ways this process not only improves the quality of your statement but also enhances your understanding of what makes an effective thesis:

• Efficiency. AI tools can significantly speed up the brainstorming and drafting phases, giving you more time to focus on researching and outlining your thesis. This is especially useful for tight deadlines.
• Objectivity. AI feedback is based on data and algorithms that can provide a largely unbiased perspective on the quality of your thesis statement. This objective analysis can help you improve your thesis and overall writing.
• Consistency. AI tools can help you align the rest of your paper with your initial thesis statement to ensure consistency throughout your work.

Choosing the right AI tool for academic writing

When seeking an AI assistant for thesis drafting, choose AI tools, including GPTs, designed for professional or academic writing . AI applications that are familiar with academia can offer feedback and suggestions tailored to fit the conventions of scholarly writing.

AI has revolutionized academic writing, offering powerful tools for creating and refining thesis statements. By leveraging AI tools, you can achieve a higher level of clarity and persuasiveness in your work, so try them out the next time you need to write an academic paper!

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