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Thesis Defense Strategies: Preparing for the Viva Examination

Understanding the viva examination.

The Viva Examination, also known as the oral defense or viva voce, is an integral part of the thesis evaluation process. It is a rigorous assessment conducted by a panel of experts who evaluate the candidate's understanding of the research topic and their ability to defend their thesis. The Viva Examination provides an opportunity for the candidate to demonstrate their knowledge, critical thinking skills, and ability to articulate their research findings. It is crucial for candidates to understand the purpose and format of the Viva Examination to adequately prepare for this challenging assessment.

Importance of Preparing for the Viva

Preparing for the Viva examination is of utmost importance for every research student. This rigorous oral examination is a critical milestone in the journey towards obtaining a doctoral degree. Thorough preparation ensures that you are well-equipped to defend your thesis, demonstrate your knowledge, and address any challenges posed by the viva committee. By dedicating time and effort to prepare, you can boost your confidence and increase the likelihood of a successful viva defense. It is essential to approach the viva examination with a positive mindset and view it as an opportunity to showcase your research and academic abilities.

Key Components of a Successful Viva Defense

A successful Viva defense relies on several key components. Thorough preparation is essential, including a comprehensive understanding of your research topic and a clear grasp of the relevant literature. Effective communication skills are also crucial, as you will need to articulate your research findings and defend your conclusions. Additionally, critical thinking and the ability to respond to questions and challenges from the Viva committee are essential. Finally, confidence in your work and a positive attitude will help you navigate the defense with poise and professionalism.

Preparing for the Viva Examination

Developing a comprehensive thesis defense plan.

Creating a comprehensive thesis defense plan is essential for a successful viva examination. This plan should outline the key objectives of your defense, the main arguments you will present, and the supporting evidence you will use to back up your claims. It is also important to anticipate potential questions that the viva committee may ask and prepare well-thought-out answers. By developing a thorough plan, you can ensure that you cover all the necessary points and demonstrate your expertise in your research area.

Effective Time Management Strategies

Time management is crucial when preparing for a Viva examination. Organizing your time effectively allows you to allocate sufficient time to each aspect of your thesis defense. One effective strategy is to create a study schedule that outlines specific tasks and deadlines. Additionally, prioritizing your tasks based on their importance and urgency can help you stay focused and productive. It is also beneficial to break down larger tasks into smaller, manageable ones, which can prevent procrastination and ensure steady progress. By implementing these time management strategies, you can optimize your preparation and confidently approach the Viva examination.

Utilizing Mock Viva Sessions for Practice

To enhance your preparation for the Viva examination, utilizing mock Viva sessions can be extremely beneficial. These sessions provide an opportunity to simulate the actual Viva experience and receive feedback on your presentation and defense skills. Mock Viva sessions can be organized with colleagues, friends, or even professional mentors who can act as the Viva committee. During these sessions, you can practice answering potential questions, refine your presentation, and identify areas that need improvement. Additionally, participating in mock Viva sessions helps reduce anxiety and build confidence for the actual defense. It is important to approach these practice sessions with a serious and focused mindset, treating them as if they were the real Viva examination. By leveraging mock Viva sessions, you can gain valuable insights and refine your defense strategies, increasing your chances of a successful Viva defense.

Strategies for Presenting Your Thesis

Structuring your presentation.

When it comes to structuring your presentation for the viva examination, it is important to have a clear and logical flow of information. Start by providing an introduction that outlines the purpose and scope of your research. Then, divide your thesis into chapters or sections and present the main findings and arguments in a cohesive manner . Use headings and subheadings to guide the committee through your presentation and make it easier for them to follow along. Additionally, consider using visual aids such as tables and graphs to present complex data in a clear and concise manner. Finally, conclude your presentation by summarizing the key points and highlighting the significance of your research. By structuring your presentation effectively, you can ensure that your viva defense is well-organized and easy to understand.

Effective Use of Visual Aids

Visual aids play a crucial role in enhancing the clarity and impact of your thesis presentation. Charts , graphs , and diagrams can help illustrate complex concepts and data, making it easier for the viva committee to understand your research. Additionally, tables can be used to present organized information in a concise manner. When using visual aids, it is important to ensure they are clear , legible , and visually appealing . Avoid cluttered or overwhelming visuals that may distract from your main points. Remember, visual aids should complement your oral presentation and serve as a supporting tool . By using visual aids effectively, you can engage the viva committee and convey your research findings with clarity and confidence.

Engaging with the Viva Committee

Engaging with the Viva Committee is crucial during your thesis defense. Show confidence in your research by answering questions clearly and concisely . Actively listen to the committee's feedback and demonstrate your willingness to learn and improve. Maintain a professional and respectful demeanor throughout the examination. Remember, the committee is there to evaluate your work and provide constructive criticism, so embrace their input as an opportunity for growth.

Key Takeaways

In summary, the viva examination is a crucial milestone in the journey of completing a thesis. It is essential to prepare thoroughly for the defense by developing a comprehensive plan, managing time effectively, and engaging in mock viva sessions for practice. When presenting your thesis, structuring your presentation, using visual aids effectively, and actively engaging with the viva committee are key strategies for success. Remember to embrace the viva examination as an opportunity for growth and learning. Be confident , be prepared , and embrace the challenge !

Final Tips for a Successful Viva Defense

In addition to the strategies discussed above, there are a few final tips that can greatly contribute to a successful Viva defense. Firstly, it is important to thoroughly review your thesis and be prepared to answer any questions that may arise. Secondly, practice your presentation multiple times to ensure a smooth delivery and confident demeanor. Thirdly, listen carefully to the questions asked by the Viva committee and take the time to understand them before providing your response. Finally, maintain a positive attitude throughout the Viva examination, embracing it as an opportunity for growth and learning. By following these final tips, you will be well-prepared and poised for success in your Viva defense.

Embracing the Viva Examination as an Opportunity for Growth

The Viva Examination can be a challenging and nerve-wracking experience for many students. However, it is important to view it as an opportunity for personal and academic growth. Embracing the Viva allows you to showcase your knowledge and expertise, receive valuable feedback, and refine your research skills. It is a chance to engage in intellectual discussions with the examination committee and demonstrate your ability to defend your thesis. By approaching the Viva with a positive mindset and a willingness to learn, you can turn it into a transformative experience that enhances your academic journey.

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viva thesis defence

  • 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:

Examiners Mandatory and minimum of 2 Your supervisor Yes
Chairperson Optional Your university No
Your Supervisor Optional You, in agreement of both examiners No

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.

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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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Experiences of a London PhD student and beyond

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

viva thesis defence

The prospect of defending your PhD work can be more than a little daunting. It represents the climax of many years of hard work, you’ll have to defend a thesis in front of experts in your field and the whole PhD viva process can seem cloaked in mystery.

Maybe you’ve seen a labmate go for their PhD viva to then emerge several hours later, relieved but perhaps slightly dazed. Often it’ll be the case that they’ll have forgotten the specifics by the time they’ve left the room. On top of that, horror stories of bad PhD viva experiences pass through many research groups which are enough to make even the most confident and positive PhD students shake in their boots.

Having had my own PhD viva earlier this year, in addition to discussing experiences with many other PhD graduates, I now want to help you through the process.

Before we begin, I want to offer some reassurance. For most people the PhD viva is not at all the horrible experience we occasionally hear about. Even so, it’s still useful to know what to expect. I’ve therefore put together a series to help others understand the PhD viva process and how to defend a thesis.

Defend a Thesis: Overview of the PhD Viva Series

This first post will be an introduction to the PhD viva process and how to defend a thesis. Upcoming posts will cover:

  • Viva Preparation: Common PhD Viva Questions
  • What is a PhD Viva Like? Sharing Graduates’ Experiences
  • How to Choose Your Examiners

If there is anything specific you’d like covered, please let me know! I’ll be sure to include it. If you’d like to subscribe to get notified of upcoming posts as they’re released you can do so here:

How is a PhD Assessed?

Typically the main output expected at the end of your PhD project is a thesis. You’ve put years of work into your PhD and the thesis details your contributions to your chosen research field. But how is the thesis “marked”? Who will decide if what you’ve written is actually any good?

This is where the PhD viva comes in!

The PhD viva involves you discussing and defending your work with experts in your field. The experts act as examiners to determine whether or not the university should award you a PhD based on your thesis and viva performance. The thesis is the written report submitted for a PhD, and the viva is a means of quality control to ensure that only suitable candidates are awarded a PhD by the university.

Although part of the purpose of a PhD viva is to ensure that the work is of a high quality, just as importantly it’s to check that you were the one who carried it out and that you understand what you were doing!

The PhD viva is therefore essentially an exam during which you’ll have to defend a thesis.

Here is the official “mark scheme” for a PhD at Imperial:

viva thesis defence

I recommend looking at the presentation which this screenshot came from: sadly I only came across it after my own PhD viva whilst putting together this post!

Steps to Completing a PhD

  • Submit your thesis for the examiners to read ahead of the viva.
  • Have the viva , where you’ll defend a thesis and discuss your research. The examiners will decide from a list of possible outcomes as detailed later in this post.
  • Make amendments to the thesis as necessary.
  • Optional celebration.
  • Have the thesis amendments approved by the examiners and/or your supervisor and confirmation sent to the university.
  • Upload the final copy of your thesis to the university.
  • Eagerly await notification that you’ve been awarded a PhD by the university!
  • Celebrate, Dr!

All celebrations except for the one after making changes to your thesis are mandatory!

PhD Viva vs PhD Defence

The words viva and defence are sometimes used interchangeably, but often are used to reference the different ways that the a PhD is concluded around the world.

A PhD viva (technically a viva voce ) is a formal examination of a PhD. It’s typical in the UK (amongst other countries) and it is a closed-event between yourself and some examiners.

Across much of Europe it is common instead to have a PhD defence . This still involves expert questioning but can be more of a ceremony and may even be open to the public. You can read about Siddartha’s experience , who completed his PhD in the Netherlands.

I went through a PhD viva and that’ll be the focus of this series. Nevertheless, there is overlap and you may still have difficult questions in a PhD defence, so the content in this series should still be useful no matter where you’re based.

In both a PhD viva and a PhD defence you’ll be expected to defend a thesis which represents the culmination of your work during the PhD.

Who is Present During the PhD Viva?

In the UK it is typical for the PhD viva to include:

  • One or more experts from your university ( internal examiner ).
  • One or more experts in your field from another institution to your own ( external examiner ).
  • And sometimes your supervisor, though in my experience this is quite rare unless you actively ask them to be there.

The main role of the internal examiner is to act as a moderator and ensure that the university’s protocols are upheld. They’ll usually still have some questions for you, but on top of that they’ll make sure that the external examiner(s) are reasonable. They will also take charge of documenting the viva.

Often the external examiner will be more specialised to your field than the internal examiner, so expect them to potentially ask more tricky and technical questions.

As mentioned in the previous section, for PhD defences in other countries the event may be less of an exam (viva) and more of a celebration of your work. These can be a lot more open, with access granted to your friends, family or anyone else who is interested in the topic. I quite like this idea, especially when the research has been publicly funded!

How the PhD Viva is Structured

The structure of the viva will vary but a typical format is shown below. The times in brackets are how long the sections for my own viva were, thankfully not all vivas are over five hours long!

  • Introductions (2 minutes) – greeting the examiners and they’ll usually quickly give an overview for how they want the viva to go.
  • Presentation (10 minutes) – Not all examiners will want you to give a presentation, it’s best to ask them in advance. I believe many examiners like asking for presentations: both to ease into the exam and also to see how you do at distilling years of work into a short presentation.
  • Discussion (Over 5 hours, yes, really!) – the long and potentially scary bit.
  • A short break (~10 minutes) . You’ll leave the room (or video call!) and the examiners will come to a decision for your PhD outcome.
  • Decision and final comments (10 minutes) – where the examiners will tell you what the outcome is of the viva – we’ll cover this in more depth in the next section.

The discussion in the middle of course is the main guts of the PhD viva, and the potentially scary bit. This is where you’ll get questioned about your work and thesis. What you get asked could vary considerably depending on your thesis and examiners.

I’ll save an in-depth discussion of my own viva for another post. In short, I received very few questions relating to the work or any fundamental underlying science. There were practically no questions to quiz my knowledge.

Rather than checking my understanding of the work, the viva was much more of a discussion of how best to present the work in the thesis. We spent roughly an hour going page by page through each chapter. This included suggestions for improvements to figures, changes in terminology and the like.

Possible PhD Viva Outcomes

At the end of the viva the examiners will give you feedback. This will include feedback on your performance in the viva. But as long as they’re satisfied that you carried out the work and that you knew what you’re doing, the bulk of the feedback will in fact revolve around your PhD thesis.

Technically there are lots of potential outcomes, as detailed here:

List of potential PhD outcomes from my own examiners' report. Satisfying these will allow you to successfully defend a thesis.

In reality here are the four main possible outcomes from the viva:

  • Pass with no amendments . The examiners didn’t want to make a single alteration to your thesis. Well done you just have to submit the finalised thesis to the university and you’ve finished your PhD! I know a few people who’ve had no revisions but it’s rare.
  • Pass with minor amendments Minor amendments include things such as correcting typos, rewording sentences and small alterations to data analysis and presentation. This is by far the most common outcome.
  • Referral for resubmission ( major amendments). More substantial changes to the thesis are required or further experimental work is required to fulfil the requirements of a PhD. The examiners will decide whether or not this means having another viva too.
  • Fail . Unless there are glaring issues or you didn’t actually do any of the research in your thesis yourself, you should be relieved to hear that practically no one ever fails. If you have failed, it usually points to systematic issues revolving around your supervisor: you shouldn’t have been allowed to get to this point. Usually the examiners would recommend that you be awarded a lower degree, such as a masters in research (MRes).

Slightly up the page is a screenshot from my own examiners’ report. You’ll see that I, like most people, passed with minor amendments.

2022 Update: Starting to prepare for your PhD viva? A set of viva preparation worksheets are now available in the resource library. Click the image below for free access!

viva thesis defence

Making Changes to Your PhD Thesis

Shortly after the viva you should receive the examiner’s report which includes a list of revisions for you to make.

If you’ve got through the viva with a pass, you can breathe a sigh of relief because the hard work is over! In a separate post I’ll be covering how the process to make my own minor amendments went.

No matter the outcome, it is possible that you’d like to make your own changes to the thesis since it’ll have been many weeks (or months) since submitting the draft copy for your viva. On reflection there may be things you’re not happy with. You are welcome to make changes to the document yourself.

If you’re interested in reading more about how to make the corrections to your thesis, read the article dedicated to it here: Minor Corrections: How To Make Them and Succeed With Your PhD Thesis.

After you’ve made changes, the final stage in getting awarded the PhD is submitting your finalised version of the thesis to the university. Shortly afterwards you’ll get the long-awaited notification that you’ve got your PhD!

Notification of my PhD

Should You Strive For No Amendments?

In my opinion it’s not worth the effort of trying to get no amendments.

I’d personally rather spend slightly less time up front, knowing that more than likely I would have to made some amendments. You can never put in enough work to ensure there will be nothing your examiners want changed!

You could spent hundreds of extra hours endlessly going through your thesis meticulously before submission but your examiners can always find something they want you to change. In comparison, my own minor amendments only took two days of work.

Sometimes you’ll see someone mention on their CV that they passed with no revisions but it doesn’t really have any bearing on your PhD. Unlike most other qualifications, there aren’t really grades for PhDs: you either have one or you don’t.

During an early PhD assessment my assessor made a poignant joke about medical degrees: “What do you call the person who graduates bottom of their class in medical school? A doctor!” And it’s essentially the same with PhDs!

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.

I hope this introduction to PhD vivas and how to defend a thesis has been useful. Let me know if you have any specific questions or concerns you’d like to see addressed in the following posts.

As always you can stay up to date with content by subscribing here:

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DEMENTIA RESEARCHER

Defending your doctoral thesis: the PhD viva

From Vitae.ac.uk

Once you have submitted your thesis you will be invited to defend your doctorate at a ‘ viva voce ‘ (Latin for ‘by live voice’) or oral examination. The thesis defence can be a daunting prospect, but many people really enjoy this experience of discussing their PhD research with genuinely interested experts. It can also be a useful networking opportunity.

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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Thesis outcomes and corrections

There will usually be a bit more work to do after the viva. Each institution will have its own regulations about viva outcomes and how to inform the candidate of them. Find out before you go into your viva so that you know what to expect. In the UK they typically they fall into one of the following categories:

  • Outright pass. Your work needs no corrections
  • Minor corrections. Your examiners have a few minor suggestions that they would like you to incorporate
  • Major corrections or resubmission. The thesis needs further work to be of doctoral standard. This might include more research, rewriting sections or including new literature
  • Suggestion that you resubmit for, or are awarded, a lower degree (MPhil or MSc). Research is of good quality but too narrow for a doctorate
  • Outright fail. Usually used only in cases of plagiarism or where the examiners judge that the candidate will never be able to complete a doctorate.

Most candidates fall within the minor or major corrections categories. This means that you will have some corrections to complete. However, regardless of the number of corrections that you have to do most people who reach the viva stage do  go on to get their doctorate relatively quickly.

Thesis corrections

After your viva you are likely to have some corrections to complete before you are awarded your doctorate. The extent can range from a few spelling mistakes to rewriting or adding complete chapters. You may be given a deadline by your examiners or your institution but regardless of this, it is best to aim to complete your corrections as soon as possible to use the momentum acquired during thesis writing.

In order to be sure that your corrections make the right changes:

  • take notes during the viva and write them up immediately after
  • meet with your main supervisor to discuss the changes that you need to make
  • analyse the examiners' report carefully to make sure that you have dealt with all of the issues that they raise
  • proofread your work again.

Thesis resubmission

Your examiners, or often just the internal examiner, will check that all corrections have been incorporated, and then you can resubmit your thesis. Your institution will have regulations on the format of the final submitted thesis copy of your thesis, which will usually be deposited in the institutional library. It has become more common for institutions to request the submission of an electronic copy for ease of cataloguing and searching.

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Eva Lantsoght

November 30th, 2021, defending a phd thesis is an emotional moment candidates and supervisors should be prepared for.

4 comments | 55 shares

Estimated reading time: 6 minutes

The PhD defence, or viva, is significant academic rite of passage, which as well as marking the culmination of years of study, can also be a highly charged emotional moment.   Drawing on years of collecting accounts of PhD defences on her blog and her recent book (Planning and Passing Your PhD Defence, co-authored with Olga Degtyareva),  Eva Lantsoght , discusses how both PhD students and supervisors can benefit from a more engaged understanding of the emotions underlying the PhD defence. 

In the days leading up to my doctoral defence, I had a recurring nightmare about my supervisor forgetting to show up for my defence. I was well-prepared, and since I was defending in the Netherlands, my thesis was already printed and approved. Failing was virtually impossible. Why then, was I nervous about my doctoral defence to the point of having recurring nightmares?

After eventually passing my doctoral defence, I decided to collect stories about the doctoral defence (or viva, depending on the country) around the world for my blog. I was originally fascinated by the differences between defence formats (such as the sword newly minted doctors receive in Finland and the medal in Chile ). Over time, however, I started to see that below the superficial differences, all types of defence show similarities. One is that there is always an emotional dimension to the defence. My worries before my defence were hardly an isolated case. Many doctoral candidates report strong emotions around thesis submission, in the weeks leading up to the defence, during the event, and even afterwards, when the post-defence blues may kick in.

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project. However, in our recent book Planning and Passing Your PhD Defence , which I co-wrote with Olga Degtyareva, we have paid special attention to the emotional dimension of the defence (of course, in addition to the scholarly dimension preparing for answering questions, and other traditional aspects related to the doctoral defence). This was in part because, we strongly felt that we shouldn’t consider the defence as a regular examination, where a standard set of criteria are used to assess a student. Besides its function as an examination, the defence is also a rite of passage, a confirmation, a celebration, and the culmination of years of independent research work. Emotions are murky and difficult to factor in for assessment. The emotions involved in the doctoral defence make it a unique event: for the candidate, the examiners (or committee members), and for the supervisor. Being aware of these emotions, and bringing them to light, is important to understanding the defence better and the role it plays in a research career.

In my work on the doctoral defence, I found (to my surprise) that the major differences between defence formats did not influence the candidates’ perception much . On the other hand, I did find important differences in the emotions felt by candidates related to the defence, as a function of socio-demographic aspects, notably gender. Women doctoral candidates experience more negative feelings before the defence, and if they had a negative experience during the defence, the negative impact on their perception as a researcher could often be long-lasting. Being aware of how different groups experience the emotions related to the defence differently is important, especially for supervisors and examiners, and can be empowering for candidates. Besides simply being aware of the emotional dimension, it can also enable the small changes that can help settle things when emotions run high: taking a short break, offering water, getting up to open a window, or moving to another topic of the thesis.

viva thesis defence

While each PhD candidate, each research study, and each PhD trajectory are unique, there are some common emotions that deserve to be mentioned. First of all, in the weeks or days leading up to thesis submission, candidates often feel that the work is not enough, worthless, or otherwise insufficient, and these feelings can contribute to perfectionism. Other candidates may be so tired of the thesis that every small action may feel like a terrible chore. Some feel relieved upon submission, and others worry about how it will be received.

Many candidates also worry about how they will perform. For candidates in the United Kingdom, where the viva takes place before final submission of the thesis and may determine the level of corrections required for the thesis, candidates worry about what the outcome of the thesis and viva will be. Major revisions could potentially add months to the doctoral journey. Because the viva is behind closed doors, candidates also may not know very well what to expect. In the Netherlands, where candidates are sure they will pass, other causes lead to worry and anxiety. As the defence is public, candidates feel the pressure to perform well in front of the committee, friends, colleagues, and family.

it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions

The first step in dealing with this anxiety, is to name and acknowledge it, and to know that these feelings are normal. Candidates who passed without corrections worry about passing their defence as much as those who had more work on their thesis after the defence. Breathing techniques, meditation, and relaxation exercises can help. University counselling services should be there to support as well. Being well-prepared for the day of the defence itself may also help candidates to feel more in control over the day and their feelings. A positive action, such as stopping by colleagues and expressing gratitude to them before the defence, can improve defence-day-anxiety. Many candidates feel more nervous right before and at the beginning of their defence. Taking notes, repeating the question, or asking for clarification of the question, are all valid options to start answering in a calm and controlled manner. At the end of the defence, candidates can be nervous to hear the outcome, and the minutes while the committee is in deliberation may feel like hours. Then, after hearing the verdict, often the final flood of emotions (relief, happiness, pride, or perhaps disappointment, anger, or worry about the thesis revision) comes.

Emotions play an important role leading up to and during the doctoral defence. Understanding the role of these emotions is important for candidates, so that they know that what they are feeling is normal, and does not mean that they are not worthy of a doctorate. At the same time, it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions. Being aware of and holding space for these emotions allows all those who are involved in the defence to experience the defence, not simply as a test of knowledge, but as the important moment it is, in the formation and affirmation of a new scholar.

Note: This article gives the views of the author, and not the position of the LSE Impact Blog, nor of the London School of Economics. Please review our  comments policy  if you have any concerns on posting a comment below.

Image Credit: Ralph Leue via Unsplash. 

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About the author

viva thesis defence

Dr. Eva Lantsoght is a Full Professor in Civil Engineering at Universidad San Francisco de Quito in Ecuador and tenured assistant professor at Delft University of Technology in the Netherlands. Her blog and co-hosted podcast PhD Talk addresses the mechanics of doing research, PhD life, and general academic matters. Find her @evalantsoght or at evalantsoght.com.

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In Australia there is no defence process and typically no discussion between the examiners…lots of secrecy and anonymity for some reason.

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The Oral Examination (viva) - Doctoral degrees, MSc, MLitt, MPhil by Thesis

What is a viva.

The viva (short for viva voce) is an oral examination which gives the opportunity for:

  • you to defend your thesis and clarify any matters raised by your examiners
  • the examiners to probe your knowledge in the field
  • the examiners to assure themselves that the work presented is your own and to clarify matters of any collaboration
  • the examiners to come to a definite conclusion about the outcome of the examination

Your examiners will determine if you meet the requirements for award of the research degree  for which you are a candidate.

Preparation

Talk to your supervisor and/or Academic Adviser for guidance on how to prepare for your viva.

The Quality Assurance Agency for Higher Education (QAA) has produced a series of videos to help PGR students prepare for their viva. Note that the procedures for examination at the University of Cambridge may be different to those referred to by other Higher Education Institutions featured in the videos.

You will have been told the identity of your examiners. This will normally be one examiner internal to the University of Cambridge and one external examiner, but you may have two external examiners. The Degree Committee may also appoint an Independent Chair to be present during your viva and/or additional examiner(s). Your examiners will be in touch to make arrangements for your viva .  If you have not been advised of the date for your viva within six weeks of submitting your thesis, you should contact your Degree Committee.

Location of the viva

The viva will normally take place in-person in Cambridge, but you may choose to be examined remotely by video conference. You should inform your Degree Committee of your preference when you notify them of your intention to submit/apply for appointment of examiners. Please also make your supervisor aware of your preference as it may affect the choice of available examiners.

Arrangements where you and one examiner are co-located in Cambridge, with the second examiner participating by video conference, where both examiners are co-located and you participate by video conference, or where you and the examiners are all in separate locations, are permissible provided all parties agree.

In-person oral examination:  In-person examinations may be delayed depending on the availability of the examiners as travel time will need to be factored in. Students who are overseas and returning to Cambridge for their viva should contact the International Student Office for visa advice if their student visa has expired or will be expiring soon.

Video conference oral examination: A guide to conducting vivas by video conference can be found here .

The choice of in-person or video conference viva does not constitute procedural irregularity grounds for complaint should you fail the examination.

Adjustments to the oral examination on the grounds of disability

If you wish to notify examiners of a disability or request adjustments on account of a disability for your viva (either your first year assessment or final examination), you can do this via your Degree Committee by completing and submitting the voluntary disclosure form . It is recommended you do this at least four weeks before your expected date of examination to allow time for appropriate recommendations and adjustments to be made. 

Once you have submitted the form, your Degree Committee will contact the University’s Accessibility and Disability Resource Centre (ADRC) who will advise the Degree Committee on the appropriate course of action. You may be contacted by the ADRC if additional information is required or to provide you with an offer of additional support.

The information provided on the voluntary disclosure form will be kept confidential and will not be used for any other purpose.

If you already have a Student Support Document (SSD) that includes recommendations for adjustments to the viva , and you have given permission for the SSD to be shared with the Degree Committee, you do not have to complete the voluntary disclosure form but may do so if you wish.

There is no specific dress code. You can wear whatever you feel comfortable in.

What can I take in to my viva?

You may take the following into your viva:

  • A copy of your thesis (the same as that you submitted)
  • plain paper or blank notebook and a pen/pencil for taking notes or sketching ideas
  • a presentation in the form specified by your Examiners – your Examiners will advise you in advance if a presentation is required
  • any other provision that is agreed in advance with the Degree Committee as a reasonable adjustment for disability.

What happens at the viva?

  • It is carried out between yourself and the two examiners and is conducted in English
  • It may include an Independent Chairperson if the Degree Committee requires this
  • There is no set duration, but a viva will normally last between 90 minutes and three hours
  • You may be required to do a presentation - please check with your Department whether this is the case. If you are required to give a presentation, you should be informed at least two weeks in advance of the viva
  • The viva cannot be recorded
  • Your supervisor cannot attend the viva

Your Department should advise on any department-specific conventions or procedures.

Possible outcomes of the viva

The possible outcomes are:

  • Conditional approval - pass without correction (but for doctoral degrees subject to submission of hardbound and electronic copies of the thesis ); or pass, subject to minor or major corrections 
  • Revision and resubmission of the work for a fresh examination
  • [Doctoral examination only] Revision and resubmission of the work for a fresh examination or acceptance of the MSc/MLitt without further examination (but possibly subject to corrections)
  • [Doctoral examination only] Not to be allowed to revise the thesis, but offered the MSc/MLitt without further revision or examination (but possibly subject to corrections)
  • [Doctoral examination only] Revision and resubmission of the thesis for examination for the MSc/MLitt degree
  • Outright failure

Notification of the result of the viva

Your examiners are asked not to give any direct indication of the likely outcome of the examination as the official result of examination can be confirmed only by the Postgraduate Committee or by Student Registry acting on its behalf (or the Degree Committee for the MPhil by Thesis). The Degree Committee will forward their decision to the Student Registry who will notify you of the outcome and email your reports to you, copying in your Supervisor.

Process following the viva

Information about the process following your viva can be found here.

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How Do I Prepare for a Successful Defence?

Vivas and Presentations

  • First Online: 19 October 2023

Cite this chapter

viva thesis defence

  • Sue Reeves   ORCID: orcid.org/0000-0002-3017-0559 3 &
  • Bartek Buczkowski   ORCID: orcid.org/0000-0002-4146-3664 4  

569 Accesses

Once you have submitted your dissertation, you may be asked to do a defence of your dissertation. This could be in the form of an oral presentation, a poster presentation of your findings, or you could be invited to a viva voce. Vivas, as they are usually known, are particularly common for research degrees such as MPhils or PhDs and are essentially a verbal defence of your thesis that is conducted in an interview style format. At a minimum, the viva is a way of checking you authored the thesis yourself and understand the detail, but it is also an opportunity to discuss your research findings and interpretations in depth with experts. Preparation is key for defending your thesis in a viva or a presentation format. With a bit of groundwork, you could even enjoy the discussion, after all the thesis is the culmination of all your hard work, and no one knows it better than you.

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Ratcliffe R (2015) How to survive a PhD viva: 17 top tips. https://www.theguardian.com/higher-education-network/2015/jan/08/how-to-survive-a-phd-viva-17-top-tips. Accessed 3 Mar 2023

Further Reading

Levin P, Topping G (2006) Perfect presentations. Open University Press

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Smith P (2014) The PhD viva: how to prepare for your oral examination. Macmillan, New York

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Reeves, S., Buczkowski, B. (2023). How Do I Prepare for a Successful Defence?. In: Mastering Your Dissertation. Springer, Cham. https://doi.org/10.1007/978-3-031-41911-9_14

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How to prepare your viva opening speech

Featured blog post image for 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?

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.

Step 1: Check the requirements for your viva opening speech

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

Step 2: Define the audience for your viva opening speech

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.

Step 3: Develop key messages for your viva opening 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.

Step 4: Structure your viva opening speech

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.

Step 5: Create visual support for your viva opening speech

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.

Step 6: Practice your viva opening speech

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.

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The dreaded doctoral defense

An oral defence, or Viva, is common in the UK, Europe, NZ. The viva is less common in Australia.  Most Australian students will do a final presentation before the PhD, but many universities are currently discussing how to introduce a defence as part of the examination process, so we can expect a defence of some sort to become more common.

In the USA, the viva is called a ‘doctoral defense and PhD students have the additional challenge of being examined by their supervision committee. The US system is so different I don’t tend to write specific posts to address the various challenges because I don’t have any first hand experience, so I’m always grateful when a US colleague offers to write one.

This post is by author, editor, writing coach, dissertation nurturer, and spiritual counselor, Noelle Sterne, Ph.D. (Columbia University). She has published over 400 academic, writing craft, and spiritual articles and stories and essays in print and online venues. She delivers workshops and presentations to university faculty and writers and assists doctoral candidates in completing their dissertations (finally). Her handbook addresses these students’ largely overlooked but extremely important nonacademic difficulties: Challenges in Writing Your Dissertation: Coping with the Emotional, Interpersonal, and Spiritual Struggles (Rowman & Littlefield Education, 2015). In Noelle’s first book, Trust Your Life: Forgive Yourself and Go After Your Dreams  (Unity Books, 2011), she helps readers release regrets, relabel their past, and reach lifelong yearnings. Website:  www.trustyourlifenow.com .

This post is adapted from: Challenges in Writing Your Dissertation: Coping With the Emotional, Interpersonal, and Spiritual Struggles , chapter 7 – “The Dreaded Doctoral Defense”.

viva thesis defence

Almost everyone who has a doctorate has a final defense story. They may be different but they all have two things in common: few are pretty and theyíre emblazoned on the new doctor’s mind forever.

A friend of mine was obviously pregnant at her defense. After she successfully passed, her chair (supervisor), staring at her bulk, informed her with a tone of incontrovertibility that her entire graduate education had been a ‘waste’. Outrageous and maddening, I know.

Happily, she proved the chair monumentally wrong. Later, with two kids, she became an award-winning professor at Brandeis.

My defense was a little less dramatic but no less discomfiting. During the two hours of grilling and false camaraderie, my right foot fell asleep. As I rose for the verdict, my leg collapsed and I almost fell over the table into a bald committee member’s lap. They all laughed, almost as embarrassed as I. I still blush reliving it.

A fellow student in my doctoral cohort, by far the most brilliant of us all, felt he did so poorly at his defense that he cancelled a long-planned prepaid vacation to Scandinavia with his fiance. I never heard whether he ever went on the trip got married. This was mea culpa at its worst.

What do these cautionary tales tell you? To see your defense rightly. A rite of passage, certainly, it is nevertheless an important event in your progress and professional development. You don’t want to fail or flub it. You also want to maintain dignity and engender the respect of your chair and committee members’ your future colleagues.

As a consultant and coach to dissertation writers, I have often noticed that most candidates are petrified of the defense and either overdo it or try to underplay it. They imagine the committee asking impossible questions, like a detailed explanation of their statistical involutions, or asking ridiculous questions, like their opinion of the university cafeteria food.

Many candidates either spend every possible moment cramming, and risk predefense burnout, or avoid preparation entirely. James started preparing before he had even completed his data collection. He kept asking me questions about the required procedures and sent me loads of articles on defense advice, confessing he kept losing sleep panicking about his defense. I gently told him, several times, that his preparation, although admirable, was premature.

At the other extreme, Viola, a very bright candidate, told me years later that, despite my admonitions, she had minimized her defense and barely squeaked by. She knew the material but her nervousness and lack of preparation got the best of her. She regrets to this day not following my advice.

Recognizing that both extremes are, well, extreme, I developed the following suggestions for a good final defense before, during, and after the event. First, though, for your greater perspective, especially in U.S. defenses, some words about your committee.

Your Committee

Doubtless all members have their own defense horror stories, and your defense may trigger echoes of theirs. Their egos are at stake in your meeting, and they probably want to show off to each other. They also may want to show off by asking you tough questions. And yes, they may be unpredictable, quirky, mercurial. But remember that they are also upholding the high research standards of the university and their part in it. Keep in mind too that they have worked hard to get where they are. Theyíre not your enemies and want you to succeed, for you and for them.

So now, for you to make the experience a pleasant one for everyone, some advice on preparation.

Way Before the Defense

It’s better to be overprepared than underprepared. You will thank yourself for it later. Remind yourself that you are the expert on your dissertation, especially every time your stomach sinks. Read the university manual on defense protocols. It should tell you the time allotted for your introductory presentation, if you need a PowerPoint presentation and the number of slides, and whether the defense will be open to the ‘public’ (usually friends, family, and a few stray predefense doctoral students). Attend several defenses before your own to familiarize yourself with the process. Observe how the candidates respond, and make notes on the positive behavior (poise and direct eye contact with the committee) and negative behavior (a lot of ìuhs,î ìahs,î and slouching). Youíll be combating your fear of the unknown. Ask your chair for advice. About a month before the defense, schedule a meeting and discuss the defense format and range of possible questions. Ask the chair to look at your PowerPoint beforehand (they often want to and will critique it) and ask too for (diplomatic) insights on the committee members. If trouble erupts, such as another member calling for your running your statistics completely again or insisting that you ‘need’ to survey 132 more dock workers, the chair is supposed to fight for you (diplomatically).

Especially if other candidates have had your chair, study their final PowerPoints. When youíre ready for your own, use these and any outlines in the doctoral manual. Creating the new slides from your dissertation will help you remember, review, and summarize everything.

Think of the worst questions you donít want to be asked. Write them all down.

Type out your answers. You can refine them later. Make sure your dissertation backs up your answers (for example, correct number of participants, statistical results, themes revealed).

Know your material! Some candidates mark a hard copy of their dissertation at the pages reflecting anticipated questions. If you do, you can turn to the pages quickly. Alternatively, use the PowerPoint’s space at the bottom of each slide for your notes and scripts.

Rehearse with a relative or friend (something you can involve them in, and theyíll be tickled to help).

A Little Before

If your university has a media specialist, schedule an appointment for your electronic needs for the PowerPoint and have a list ready.

Visit the room in which the defense is scheduled, preferably with the media specialist, and plan together where you’ll place your computer and other equipment.

Alone in the room, do a mock rehearsal. Stand at the podium and look out into the vast sea of faces eager for your wisdom. See the chair and committee members sitting there beaming at you.

A few days before, decide what you’ll wear (even if the defense is by teleconference). Choose clothes that look and feel professional and get them in shape.

The day before, pack your materials: computer, flashdrive backup, hard copy, handouts, pens, pencils, recorder/phone app if you choose, and anything else that anticipates any technical malfunctions and may seem like overkill but will make you breathe easier.

Don’t forget the deodorant.

The night before, go to the movies, binge watch your favorite TV show, or do something physical. No alcohol. Get a good night’s sleep.

Arrive early and meditate beforehand either in your car, on a bench outside, or even in the empty room.

Reflect on your previous successful presentation experiences’ from your job, a speech at a wedding, an impassioned piece of advice to a friend who took it.

Set up your materials.

Tell yourself you are confident and passionate about your topic and findings.

When they enter, SMILE.

Stand up, stand straight.

Greet each committee member, even if your knees are shaking.

Look ’em in the eye.

Remember that you are the expert. Take a few deep breaths.

When the committee starts asking questions, have a notepad and pen ready to take notes, and take your time responding.

If you don’t know an answer, don’t fudge. Instead say, “That’s a very good question. I’ll have to think more about it” or “I’ll do more research on that.” Remember you are still the humble student. The committee will admire your response.

At the end of the defense, smile, shake hands (admittedly clammy), and thank everyone profusely. Tell them you enjoyed the meeting (it is possible).

Expect some revisions. Just because it’s the ‘final’ defense doesnít mean the committee can’t change its collective mind and swoop down on niggling and not-so points.

Collect the committeeís hard copies with their notes, if this is the procedure. Or offer to pick them up or ask them to email you their marked-up copies or lists of revisions.

Study up on all the red-tape requirements and regulations for revised documents, all committee signatures, and final deposit of the dissertation. You don’t want to miss any deadlines.

Throughout: A Few Helpful Affirmations

  • Every time panic hits, practice defensive affirmations:
  • I am perfectly competent, confident, express, poised.
  • I am in command of myself.
  • I look forward to sharing what I know and have learned.
  • My defense goes perfectly.
  • The committee is for me.
  • I trust my knowledge, good work, and good mind to come up with the right answers.
  • I know everything I need to know, instantly.
  • I now visualize the movie of my perfect defense. I see myself poised and self-assured, talking easily about any aspect of the work, adlibbing from the PowerPoint. I graciously accept all compliments about the brilliance of my presentation. I hear the chair’s magic words, “Congratulations! You have passed!”

* * * * * * When you practice the steps here, you will be one of the few new Doctors without a defense horror story. Your story will be a much happier one, and as you continue in your successful professional career, your defense will shine forever bejeweled in your memory. © 2017 Noelle Sterne

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Center for Applied Research and Innovation in Supply Chain – Africa

Center for Applied Research and Innovation in Supply Chain – Africa

Defending your thesis at viva.

December 8, 2023

Graphic for Dec. 8, 2023 training on VIVA defense

A thesis defense is a pivotal moment for doctoral candidates. It carries immense significance and is often associated with anxiety and subpar performance.

But doctoral candidates must learn how to navigate this critical stage. A successful thesis defense not only signifies academic achievement but also prepares students for the challenges of academia and beyond.

In an increasingly competitive academic landscape, the ability to effectively present and defend one’s work is a critical skill that can greatly impact a researcher’s career trajectory.

On Dec. 8, 2023, CARISCA Director Nathaniel Boso and research faculty member Dominic Essuman presented a webinar to help students prepare for their thesis defense. The focus was on guiding doctoral candidates in effectively preparing for and defending their research while also positioning themselves competitively within academia and beyond.

The event was part of the CARISCA Training Series, which aims to boost the research capacity of KNUST and other African scholars.

The training covered three primary topics:

  • Designing an effective thesis presentation
  • Delivering a quality thesis presentation
  • Preparing for and managing the thesis Q&A session

Essuman, a former PhD student of Boso’s who is now a lecturer at the University of Sheffield in the U.K., kicked off the session. He introduced various presentation styles adaptable for communicating different facets of a PhD thesis. He provided practical tips applicable to each phase before, during and after the thesis presentation. 

Boso then employed examples to illustrate how participants could transform their research into a compelling narrative. He shared practical guidelines for achieving this goal and then guided participants through typical PhD viva questions, detailing approaches for addressing each question effectively.

Following are key takeaways from the training:

Ensuring effective communication

Choose and combine presentation styles to best communicate different aspects of the work and captivate your audience. For example, a “persuasive” style involving storytelling and reference to important cases and examples can help convince the examiners why your research matters.

On the other hand, “demonstrative” style will suffice while explaining your conceptual model and its underlying logic. Employ the “informative” style to show in-depth knowledge of your research.

Regardless of the style, your presentation should not involve too many details. Keep in mind that the examiners have already reviewed your written thesis.

Use slides to illustrate your major points, not to duplicate what you plan to say. The slides should contain minimal text. Consider using appropriate visuals such as images and short videos. Avoid reading the slide titles, and find a smooth way to transition between slides. 

Preparing for the presentation

Master your materials so you can demonstrate a deep understanding of your research. This will help you demonstrate that you have earned the right to hold a doctor of philosophy degree in your field.

If you know who your examiners are, be familiar with their research background. Understand their philosophical perspective, methodological approaches, and their research outputs that relate to your work.

Think about and prepare for potential questions, such as:

  • In one sentence, what is your thesis about?
  • Why did you choose theory X and not other theoretical lenses? 
  • What’s original about your work? Where is the novelty?
  • Why did you choose the research method you used?
  • Can you summarize your key findings in one sentence?
  • How does your thesis contribute to knowledge?
  • What are the strongest/weakest parts of your work?

Be yourself. Don’t attempt to mimic someone else’s presentation style or to memorize your talk. You want to come across as natural and confident.

Rehearse, rehearse, rehearse! Be aware of your timing, tone and body language.

What to do during the presentation

Take your time. Don’t speak too fast or too slow. A moderate pace is best.

Use open, friendly body language, and use your hands to help illustrate your points. 

Engage your audience by making eye contact and incorporating stories and audiovisual elements into your presentation.

Speak clearly and confidently. Avoid filling pauses with “umm” and “err” or talking as if you are in a classroom setting. 

Handling the Q&A session after the presentation

Thank your audience and acknowledge their questions and feedback.

Always be respectful and considerate while answering questions. Don’t be defensive or confrontational in your responses. Maintain a positive and receptive attitude.

Don’t avoid questions. Attempt to answer them if you can. If you can’t answer a question during the presentation, be sure to follow up with a response afterward.

Use questions and feedback as an opportunity to learn and further develop your research.

Telling Your Story

The audience wants to hear a clear storyline, right from the beginning of the presentation to the end. So, take the audience on a journey to understand and appreciate the story behind your research. 

Imagine yourself as a novelist, telling children about an interesting scientific story. Avoid technical terms and jargon. 

Make the dependent variable in your research the beginning of your storyline. Get your audience to understand how the dependent variable is important. Then explain the problem with the way that variable has been studied before.

Afterward, take your audience on a journey from the problem point to a place where that problem is being addressed adequately by your research. What matters most is communicating the importance of your research, the importance of the problem and the contribution that you’re making. 

About the facilitators:

Nathaniel Boso

Nathaniel Boso has taken the lead in designing and teaching PhD courses, supervising more than 20 PhD students and examining numerous PhD theses both in Ghana and internationally.

He holds the O.R. Tambo Africa Research Chair of Entrepreneurship and Employability at Kwame Nkrumah University of Science and Technology, Ghana. He also is a professor of international marketing and strategy at KNUST and Extraordinary Professor at University of Pretoria’s Gordon Institute of Business Science in South Africa.

Boso’s research interests span international entrepreneurship, marketing and supply chain strategies. His work has appeared in such publications as Journal of Business Venturing, Journal of Product Innovation Management and Journal of World Business.

He sits on the editorial review board of International Marketing Review and Africa Journal of Management as an associate editor.

Dominic Essuman

Dominic Essuman is a lecturer in sustainable management at the University of Sheffield, United Kingdom. His research interests revolve around supply chain strategy, resilience and sustainability.

He boasts extensive experience in training, mentoring and supervising PhD students. Essuman has collaborated with Boso to teach PhD students in Ghana and Kenya.

Additionally, he has successfully supervised five doctoral, five MPhil, and 42 MBA/MSc theses. This involves preparing the students for their thesis defense and actively participating in the defenses.

Essuman also possesses expertise in various aspects of research development, manuscript writing and the publication process. He has presented his work both locally and internationally.

His research has been published in top-tier academic journals, including the International Journal of Production Economics, Journal of International Business Studies and Journal of Business Logistics.

He is a graduate of KNUST with a PhD in logistics and supply chain management.

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Are you unofficially a PhD holder after passing viva voce for PhD? [duplicate]

In my university, after passing a viva voce examination, it will take more than 3 months before the university issues an official letter/transcript/certificate to certify that one is officially a PhD holder. Of course, after PhD viva, it will take some time to perform correction as stipulated by examiners. It can be major/minor correction. After a PhD candidate passes viva exam, is she/he unofficially a PhD holder? Considering that one has yet to successfully correct one's thesis as instructed by examiners during viva exam.

alex's user avatar

  • 3 IMO, you don't "pass" a PhD, you get acknowledged by other PhD holders that you are a Doctor of Philosophy. It's a subtle difference. If you were after something already known then you would be passing a Master's examination. But philosophy is about the known and the unknown . As such, other's can't examine you fully, they can only test your critical acumen and your basis of knowledge -- not whether you've "passed" some further point. –  Mark Rosenblitt-Janssen Commented Nov 10, 2017 at 21:11
  • @TheDoctor Amazing view about Ph.D. Thanks. It made my day. I used to think that I must know a lot of things. I am in my initial year of my phd, and your point "philosophy is about the known and the unknown." should help. –  Coder Commented Nov 11, 2017 at 6:11

3 Answers 3

At my American university, the process of officially getting a PhD was tiered. It went something like this:

No claim to being a PhD until after successfully defending.

Some informal claim to being a PhD after successfully defending. The committee members would usually make this explicit by congratulating the successful defendee with "Dr.".

A weird quasi-official claim when the university's official degree-completion tracking system formally acknowledged that the student has officially met all degree requirements and is scheduled to receive their degree at graduation.

Official claim upon graduation (whether or not attended).

Verifiable official claim once you have the piece of paper, which may be several weeks after graduation if not attended.

Folks I knew were reluctant to claim PhD-status until graduation, but I think that hiring managers in academia and industry tend to find the caveat of not having been through the ceremony to be fairly trivial. Family and friends are especially unlikely to care about that caveat, except as an excuse to talk about how exciting graduation'll be.

Nat's user avatar

Nobody is going to quibble with you calling yourself a PhD after you've passed your defense, assuming everything went well. For legal purposes such as employment you are not technically a PhD until your university says you are, but in between those times you can honestly say "I've met all the requirements for a PhD and I'm waiting for graduation in the Spring".

It is not uncommon to be asked to make changes to the dissertation, or even do some extra experiments/investigation. Usually committee members consider these to be minor changes that do not require another defense, though they might withhold final approval signatures until they're satisfied. The point is that the committee members themselves do not expect the requested changes to be major endeavors- more of a refinement than substantially new work.

If your committee fails your defense then obviously you're still not a PhD in anybody's view.

David's user avatar

Unofficially, YES. Officially, NO.

It is country and university specific. In my university (and in the country where I am working now), it works like this.

The Ph.D. student submits his thesis, checked by his own supervisor(s). This is then checked by the Academic Research Dean.

Once, it passes the above step, it goes to at least two/three external reviewers: one/two examiner(s) in the same country, another examiner in a different country.

The examiners usually get 3-6 months to review the dissertation. Time depends on field and department.

The outcome of the review is one of the following, which is decided by academic research dean and few other Ph.D. quality members:

  • Accept as it is
  • Accept with minor revision (comments from examiners)
  • Accept with major revision (it goes again to the examiners, but less time for review is provided)
  • Reject (usually unlikely; based on history)

Once the thesis is accepted (either of the first three of the above), the examiner(s) comes to the students' university for viva-voice. This process is called the `defense'.

Mostly, since the dissertation has been formally accepted if the student defends the thesis in front of the examiners and the Ph.D. panel, he is congratulated at the end. From this, he can assume himself to be graduated.

The official transcript and degree take some time to be conferred on him. Until the official transcript is received, one should not assume to be "officially" graduated.

Coder's user avatar

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viva thesis defence

viva thesis defence

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Have a question ?

Below we address some of the most popular questions we receive regarding defence prep, but feel free to get in touch if you have any other questions.

Dissertation Coaching

Can you assist with anticipating and preparing for potential questions.

Absolutely. We can help you anticipate common questions and prepare thoughtful responses based on your research.

Can you offer guidance on structuring my presentation?

Yes, we can help you create a structured presentation that effectively conveys your research aims and findings.

Can you help me with nervousness?

We’re not therapists, but we can share some strategies and techniques to help you manage nervousness, boost confidence, and perform well under pressure.

Can we do a mock presentation/viva?

Yes, this is a common part of our approach to help you prepare for your presentation and defence.

What if I have specific concerns or challenges related to my research topic?

No problem. We can address any specific concerns and challenges you may have in relation to your research, and help you develop strategies for addressing them during your defence.

Can you help me with other aspects of my research project?

Yes. Defence prep is only one aspect of our offering at Grad Coach, and we typically assist students throughout their entire dissertation/thesis/research project. You can learn more about our full service offering here .

Can I get a coach that specialises in my topic area?

It’s important to clarify that our expertise lies in the research process itself , rather than specific research areas/topics (e.g., psychology, management, etc.).

In other words, the support we provide is topic-agnostic, which allows us to support students across a very broad range of research topics. That said, if there is a coach on our team who has experience in your area of research, as well as your chosen methodology, we can allocate them to your project (dependent on their availability, of course).

If you’re unsure about whether we’re the right fit, feel free to drop us an email or book a free initial consultation.

What qualifications do your coaches have?

All of our coaches hold a doctoral-level degree (for example, a PhD, DBA, etc.). Moreover, they all have experience working within academia, in many cases as dissertation/thesis supervisors. In other words, they understand what markers are looking for when reviewing a student’s work.

Is my data/topic/study kept confidential?

Yes, we prioritise confidentiality and data security. Your written work and personal information are treated as strictly confidential. We can also sign a non-disclosure agreement, should you wish.

I still have questions…

No problem. Feel free to email us or book an initial consultation to discuss.

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David's depth of knowledge in research methodology was truly impressive. He demonstrated a profound understanding of the nuances and complexities of my research area, offering insights that I hadn't even considered. His ability to synthesize information, identify key research gaps, and suggest research topics was truly inspiring. I felt like I had a true expert by my side, guiding me through the complexities of the proposal.

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I had been struggling with the first 3 chapters of my dissertation for over a year. I finally decided to give GradCoach a try and it made a huge difference. Alexandra provided helpful suggestions along with edits that transformed my paper. My advisor was very impressed.

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Working with Kerryn has been brilliant. She has guided me through that pesky academic language that makes us all scratch our heads. I can't recommend Grad Coach highly enough; they are very professional, humble, and fun to work with. If like me, you know your subject matter but you're getting lost in the academic language, look no further, give them a go.

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16th Emir Of Kano Sanusi II Bags PhD After Remote Thesis Defence

Kano Sanusi II

In the face of legal battle at home over the Kano Emirship throne, the 16th Emir of Kano, Muhammadu Sanusi II, has been conferred with a Doctorate degree after successfully completing his Viva Voce.

Viva Voce, also known as an oral examination or thesis defence, is a crucial part of the PhD process in many academic institutions.

It is a formal assessment where a candidate presents and defends their research thesis in front of a panel of experts, usually comprising examiners and academics in the relevant field.

This was made known by the founder/Chief Executive Officer of RadioNow 95.3FM Lagos, Ms. Kadaria Ahmed, in a post on her Facebook page on Wednesday.

She said the examiners approved Sanusi II’s PhD thesis without any amendments or corrections.

Kadaria wrote, “Happy to report, our Khalifa, our King, HRH Muhammadu Sanusi II, is now also a Doctor having successfully done his Viva Voce.

Related News

Son of murdered sokoto monarch regains freedom, just-in: federal gov’t hikes fees for international passport, laycon calls out dj neptune over alleged unpaid royalties, 4 die, 7 missing in kano boat mishap.

“His PhD was approved as submitted without any amendments or corrections.

“The examiners said congratulations Dr Sanusi!

“I am delighted to be able to join the examiners in congratulating Mai Martaba. Alhamdullilah.”

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  2. Phd Viva Pack: 22 Pdfs to Plan the Defence/viva of Your

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  3. Phd Viva Pack: 22 Pdfs to Plan the Defence/viva of Your Graduate Thesis

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  4. Preparing For Your PhD Thesis Defense Viva

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  5. Thesis Defence

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  6. How to Survive Your Viva: Defending a Thesis in an Oral Examination

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COMMENTS

  1. Defending your doctoral thesis: the PhD viva

    Once you have submitted your thesis you will be invited to defend your doctorate at a 'viva voce' (Latin for 'by live voice') or oral examination. The thesis defence can be a daunting prospect, but many people really enjoy this experience of discussing their PhD research with genuinely interested experts. It can also be a useful networking ...

  2. Preparing For A Viva Voce (Dissertation Defence)

    Preparing for your dissertation or thesis defense (also called a "viva voce") is a formidable task. All your hard work over the years leads you to this one point, and you'll need to defend yourself against some of the most experienced researchers you've encountered so far. It's natural to feel a little nervous.

  3. Thesis Defense Strategies: Preparing for the Viva Examination

    The Viva Examination, also known as the oral defense or viva voce, is an integral part of the thesis evaluation process. It is a rigorous assessment conducted by a panel of experts who evaluate the candidate's understanding of the research topic and their ability to defend their thesis. The Viva Examination provides an opportunity for the ...

  4. Thesis defence checklist

    Thesis defence checklist. This list gives you suggestions helpful in preparing to defend your thesis: I know how I will be informed of the outcome of my viva. For more advice, have a look at How to survive your viva by Rowena Murray (ISBN -335-21284-0) or The Doctoral Examination Process: A handbook for students, examiners and supervisors by ...

  5. PhD Viva Voces

    Summary. 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.

  6. How to structure your viva presentation (with examples)

    A PhD viva or PhD defence is often one of the last steps that PhD students have to pass before receiving a doctorate. The viva or defence usually starts with a short presentation of the PhD candidate on the PhD thesis. Presenting a whole PhD in a short amount of time is very challenging. After all, a PhD is often the result of several years of ...

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

    PhD Viva vs PhD Defence. The words viva and defence are sometimes used interchangeably, but often are used to reference the different ways that the a PhD is concluded around the world. A PhD viva (technically a viva voce) is a formal examination of a PhD. It's typical in the UK (amongst other countries) and it is a closed-event between ...

  8. Defending your doctoral thesis: the PhD viva

    0. Once you have submitted your thesis you will be invited to defend your doctorate at a ' viva voce ' (Latin for 'by live voice') or oral examination. The thesis defence can be a daunting prospect, but many people really enjoy this experience of discussing their PhD research with genuinely interested experts. It can also be a useful ...

  9. Viva Voce Victory: How To Defend Your Thesis [Podcast]

    The viva voce or thesis defence is an event that often leaves students feeling a little intimidated. And understandably so. In this post, we'll share three practical tips to help you prepare for your defence and enter the viva voce room with confidence. Overview: Defending Your Research.

  10. Thesis outcomes and corrections

    Defending your thesis: the viva. Thesis defence checklist; Thesis outcomes and corrections; I had my doctoral viva. And I enjoyed it; Finishing your doctorate - quick tips; Part-time doctorate - quick tips; Info. Thesis outcomes and corrections. There will usually be a bit more work to do after the viva. Each institution will have its own ...

  11. Defending a PhD thesis is an emotional moment candidates and

    The PhD defence, or viva, is significant academic rite of passage, which as well as marking the culmination of years of study, can also be a highly charged emotional moment. ... candidates worry about what the outcome of the thesis and viva will be. Major revisions could potentially add months to the doctoral journey. Because the viva is behind ...

  12. The oral examination (viva)

    The viva (short for viva voce) is an oral examination which gives the opportunity for: you to defend your thesis and clarify any matters raised by your examiners. the examiners to probe your knowledge in the field. the examiners to assure themselves that the work presented is your own and to clarify matters of any collaboration.

  13. PDF A Guide for Viva Preparation

    The viva voce, shortened to viva, is an oral examination where you are expected to 'defend' your thesis, and the quality of your research will be assessed. The viva will take place usually within 3 months of submitting your thesis; it is a required examination in order to achieve a postgraduate research degree.

  14. How Do I Prepare for a Successful Defence?

    Thesis defense; Viva; 14.1 Introduction. As well as write and submit a thesis some, but not all, universities may also ask you to complete a defence of your dissertation that could include additional forms of assessment. This could be a viva, otherwise known as a viva voce, which is essentially an oral examination of your thesis. If you are ...

  15. What is the PhD Viva / Viva Voce / Thesis Defence? Post PhD Q&A

    Answering your questions about the PhD defence - i.e. the PhD viva voce from a doctoral graduate0:00 - intro1:10 - what is the viva voce?2:30 - what happens ...

  16. How to prepare your viva opening speech

    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.

  17. defense

    update: I passed my viva this week, thank you so much for your kind support! Thank you so much for your encouraging comments in my previous post regarding PhD thesis submission (What should I do the day before submitting my PhD thesis?). Now 1.5 months have passed by and my viva will take place in two weeks.

  18. Guidance to Thesis Viva or Thesis Defense

    A summary of how to handle your thesis defense.Once you have submitted your thesis you will be invited to defend your doctorate at a 'viva voce' (Latin for '...

  19. Preparing For Your Dissertation Defense (Viva Voce): 9

    Learn about the 9 critical questions you need to be ready for as you prepare for your dissertation or thesis defense (also called a viva voce or oral defense...

  20. The Thesis Whisperer

    An oral defence, or Viva, is common in the UK, Europe, NZ. The viva is less common in Australia. Most Australian students will do a final presentation before the PhD, but many universities are currently discussing how to introduce a defence as part of the examination process, so we can expect a defence of some sort to become more common.

  21. Defending Your Thesis at Viva

    Defending Your Thesis at Viva. December 8, 2023. A thesis defense is a pivotal moment for doctoral candidates. It carries immense significance and is often associated with anxiety and subpar performance. But doctoral candidates must learn how to navigate this critical stage. A successful thesis defense not only signifies academic achievement ...

  22. defense

    Once the thesis is accepted (either of the first three of the above), the examiner(s) comes to the students' university for viva-voice. This process is called the `defense'. Mostly, since the dissertation has been formally accepted if the student defends the thesis in front of the examiners and the Ph.D. panel, he is congratulated at the end.

  23. Dissertation & Thesis Defense (Viva Voce) Help

    Fast-track your project, today. Drop us a message or book a no-obligation consultation. If you are a human seeing this field, please leave it empty. Get 1-on-1 help to prepare for your dissertation or thesis defense (viva voce) from a friendly, PhD-qualified Research Coach.

  24. 16th Emir Of Kano Sanusi II Bags PhD After Remote Thesis Defence

    Viva Voce, also known as an oral examination or thesis defence, is a crucial part of the PhD process in many academic institutions.