Showing posts with label Thesis Writing Tips. Show all posts
Showing posts with label Thesis Writing Tips. Show all posts

Thursday, 4 February 2010

How not to write a PhD thesis

How not to write a PhD thesis

28 January 2010

In this guide, Tara Brabazon gives her top ten tips for doctoral failure

My teaching break between Christmas and the university’s snowy reopening in January followed in the footsteps of Goldilocks and the three bears. I examined three PhDs: one was too big; one was too small; one was just right. Put another way, one was as close to a fail as I have ever examined; one passed but required rewriting to strengthen the argument; and the last reminded me why it is such a pleasure to be an academic.

Concurrently, I have been shepherding three of my PhD students through the final two months to submission. These concluding weeks are an emotional cocktail of exhaustion, frustration, fright and exhilaration. Supervisors correct errors we thought had been removed a year ago. The paragraph that seemed good enough in the first draft now seems to drag down a chapter. My postgraduates cannot understand why I am so picky. They want to submit and move on with the rest of their lives.

There is a reason why supervisors are pedantic. If we are not, the postgraduates will live with the consequences of “major corrections” for months. The other alternative, besides being awarded the consolation prize of an MPhil, is managing the regret of three wasted years if a doctorate fails. Every correction, each typographical error, all inaccuracies, ambiguities or erroneous references that we find and remove in these crucial final weeks may swing an examiner from major to minor corrections, or from a full re-examination to a rethink of one chapter.

Being a PhD supervisor is stressful. It is a privilege but it is frightening. We know – and individual postgraduates do not – that strange comments are offered in response to even the best theses. Yes, an examiner graded a magnificent doctorate from one of my postgraduates as “minor corrections” for one typographical error in footnote 104 in the fifth chapter of an otherwise cleanly drafted 100,000 words. It was submitted ten years ago and I still remember it with regret.

Another examiner enjoyed a thesis on “cult” but wondered why there were no references to Madonna, grading it as requiring major corrections so that Madonna references could be inserted throughout the script.

Examiners have entered turf wars about the disciplinary parameters separating history and cultural studies. Often they look for their favourite theorists – generally Pierre Bourdieu or Gilles Deleuze these days – and are saddened to find citations to Michel Foucault and Félix Guattari.

Then there are the “let’s talk about something important – let’s talk about me” examiners. Their first task is to look for themselves in the bibliography, and they are not too interested in the research if there is no reference to their early sorties with Louis Althusser in Economy and Society from the 1970s.

I understand the angst, worry and stress of supervisors, but I have experienced the other side of the doctoral divide. Examining PhDs is both a pleasure and a curse. It is a joy to nurture, support and help the academy’s next generation, but it is a dreadful moment when an examiner realises that a script is so below international standards of scholarship that there are three options: straight fail, award an MPhil or hope that the student shows enough spark in the viva voce so that it may be possible to skid through to major corrections and a full re-examination in 18 months.

When confronted by these choices, I am filled with sadness for students and supervisors, but this is matched by anger and even embarrassment. What were the supervisors thinking? Who or what convinced the student that this script was acceptable?

Therefore, to offer insights to postgraduates who may be in the final stages of submission, cursing their supervisors who want another draft and further references, here are my ten tips for failing a PhD. If you want failure, this is your road map to getting there.

1. Submit an incomplete, poorly formatted bibliography

Doctoral students need to be told that most examiners start marking from the back of the script. Just as cooks are judged by their ingredients and implements, we judge doctoral students by the calibre of their sources.

The moment examiners see incomplete references or find that key theorists in the topic are absent, they worry. This concern intensifies when in-text citations with no match in the bibliography are located.

If examiners find ten errors, then students are required to perform minor corrections. If there are 20 anomalies, the doctorate will need major corrections. Any referencing issues over that number and examiners question the students’ academic abilities.

If the most basic academic protocols are not in place, the credibility of a script wavers. A bibliography is not just a bibliography: it is a canary in the doctoral mine.

2. Use phrases such as “some academics” or “all the literature” without mitigating statements or references

Generalisations infuriate me in first-year papers, but they are understandable. A 19-year-old student who states that “all women think that Katie Price is a great role model” is making a ridiculous point, but when the primary reading fodder is Heat magazine, the link between Jordan’s plastic surgery and empowered women seems causal. In a PhD, generalisations send me off for a long walk to Beachy Head.

The best doctorates are small. They are tightly constituted and justify students’ choice of one community of scholars over others while demonstrating that they have read enough to make the decision on academic rather than time-management grounds.

Invariably there is a link between a thin bibliography and a high number of generalisations. If a student has not read widely, then the scholars they have referenced become far more important and representative than they actually are.

I make my postgraduates pay for such statements. If they offer a generalisation such as “scholars of the online environment argue that democracy follows participation”, I demand that they find at least 30 separate references to verify their claim. They soon stop making generalisations.

Among my doctoral students, these demands have been nicknamed “Kent footnotes” after one of my great (post-) postgraduates, Mike Kent (now Dr Kent). He relished compiling these enormous footnotes, confirming the evidential base for his arguments. As he would be the first to admit, it was slightly obsessive behaviour, but it certainly confirmed the scale of his reading. In my current supervisory processes, students are punished for generalisations by being forced to assemble a “Kent footnote”.

3. Write an abstract without a sentence starting “my original contribution to knowledge is…”

The way to relax an examiner is to feature a sentence in the first paragraph of a PhD abstract that begins: “My original contribution to knowledge is…” If students cannot compress their argument and research findings into a single statement, then it can signify flabbiness in their method, theory or structure. It is an awful moment for examiners when they – desperately – try to find an original contribution to knowledge through a shapeless methods chapter or loose literature review. If examiners cannot pinpoint the original contribution, they have no choice but to award the script an MPhil.

The key is to make it easy for examiners. In the second sentence of the abstract, ensure that an original contribution is nailed to the page. Then we can relax and look for the scaffolding and verification of this statement.

I once supervised a student investigating a very small area of “queer” theory. It is a specialist field, well worked over by outstanding researchers. I remained concerned throughout the candidature that there was too much restatement of other academics’ work. The scholarship is of high quality and does not leave much space for new interpretations.

Finally, we located a clear section in one chapter that was original. He signalled it in the abstract. He highlighted it in the introduction. He stressed the importance of this insight in the chapter itself and restated it in the conclusion. Needless to say, every examiner noted the original contribution to knowledge that had been highlighted for them, based on a careful and methodical understanding of the field. He passed without corrections.

4. Fill the bibliography with references to blogs, online journalism and textbooks

This is a new problem I have seen in doctorates over the past six months. Throughout the noughties, online sources were used in PhDs. However, the first cycle of PhD candidates who have studied in the web 2.0 environment are submitting their doctorates this year. The impact on the theses I have examined recently is clear to see. Students do not differentiate between refereed and non-refereed or primary and secondary sources. The Google Effect – the creation of a culture of equivalence between blogs and academic articles – is in full force. When questioned in an oral examination, the candidates do not display that they have the capacity to differentiate between the calibre and quality of references.

This bibliographical flattening and reduction in quality sources unexpectedly affects candidates’ writing styles. I am not drawing a causal link here: major research would need to be undertaken to probe this relationship. But because the students are not reading difficult scholarship, they are unaware of the specificities of academic writing. The doctorates are pitched too low, filled with informalities, conversational language, generalisations, opinion and unreflexive leaps between their personal “journeys” (yes, it is like an episode of The X Factor) and research protocols.

I asked one of these postgraduates in their oral examination to offer a defence of their informal writing style, hoping that the student would pull out a passable justification through the “Aca-Fan”, disintermediation, participatory culture or organic intellectual arguments. Instead, the student replied: “I am proud of how the thesis is written. It is important to write how we speak.”

Actually, no. A PhD must be written to ensure that it can be examined within the regulations of a specific university and in keeping with international standards of doctoral education. A doctorate may be described in many ways, but it has no connection with everyday modes of communication.

5. Use discourse, ideology, signifier, signified, interpellation, postmodernism, structuralism, post-structuralism or deconstruction without reading the complete works of Foucault, Althusser, Saussure, Baudrillard or Derrida

How to upset an examiner in under 60 seconds: throw basic semiotic phrases into a sentence as if they are punctuation. Often this problem emerges in theses where “semiotics” is cited as a/the method. When a student uses words such as “discourse” and “ideology” as if they were neutral nouns, it is often a signal for the start of a pantomime of naivety throughout the script. Instead of an “analysis”, postgraduates describe their work as “deconstruction”. It is not deconstruction. They describe their approach as “structuralist”. It is not structuralist. Simply because they study structures does not mean it is structuralist. Conversely, simply because they do not study structures does not mean it is poststructuralist.

The number of students who fling names around as if they are fashion labels (“Dior”, “Derrida”, “Givenchy”, “Gramsci”) is becoming a problem. I also feel sorry for the students who are attempting a deep engagement with these theorists.

I am working with a postgraduate at the moment who has spent three months mapping Michel Foucault’s Archaeology of Knowledge over media-policy theories of self-regulation. It has been frustrating and tough, creating – at this stage – only six pages of work from her efforts. Every week, I see the perspiration on the page and the strain in the footnotes. If a student is not prepared to undertake this scale of effort, they must edit the thesis and remove all these words. They leave themselves vulnerable to an examiner who knows their ideological state apparatuses from their repressive state apparatuses.

6. Assume something you are doing is new because you have not read enough to know that an academic wrote a book on it 20 years ago

Again, this is another new problem I have seen in the past couple of years. Lazy students, who may be more kindly described as “inexperienced researchers”, state that they have invented the wheel because they have not looked under their car to see the rolling objects under it. After minimal reading, it is easy to find original contributions to knowledge in every idea that emerges from the jarring effect of a bitter espresso.

More frequently, my problem as a supervisor has been the incredibly hardworking students who read so much that they cannot control all the scholarly balls they have thrown into the air. I supervise an inspirational scholar who is trying to map Zygmunt Bauman’s “liquid” research over neoconservative theory. This is difficult research, particularly since she is also trying to punctuate this study with Stan Aronowitz’s investigations of post-work and Henry Giroux’s research into working-class education. For such students, supervisors have to prune the students’ arguments to ensure that all the branches are necessary and rooted in their original contributions to knowledge.

The over-readers present their own challenges. For our under-readers, the world is filled with their own brilliance because they do not realise that every single sentence they write has been explored, extended, tested and applied by other scholars in the past. Intriguingly, these are always the confident students, arriving at the viva voce brimming with pride in their achievements. They are the hardest ones to assess (and help) through an oral exam because they do not know enough to know how little they know.

Helpful handball questions about the most significant theorists in their research area are pointless, because they have invented all the material in this field. The only way to create an often-debilitating moment of self-awareness is by directly questioning the script: “On p57, you state that the academic literature has not addressed this argument. Yet in 1974, Philippa Philistine published a book and a series of articles on that topic. Why did you decide not to cite that material?”

Invariably, the answer to this question – often after much stuttering and stammering – is that the candidate had not read the analysis. I leave the question hanging at that point. We could get into why they have not read it, or the consequences of leaving out key theorists. But one moment of glimpsing into the abyss of failure is enough to summon doubt that their “originality” is original.

7. Leave spelling mistakes in the script

Spelling errors among my own PhD students leave me seething. I correct spelling errors. They appear in the next draft. I correct spelling errors. They appear in the next draft. The night before they bind their theses, I stare at the ceiling, summoning the doctoral gods and praying that they have removed the spelling errors.

Most examiners will accept a few spelling or typographical mistakes, but in a word-processing age, this tolerance is receding. I know plenty of examiners who gain great pleasure in constructing a table and listing all the typographical and spelling errors in a script. Occasionally I do it and then I know I need to get out more.

Spelling mistakes horrify students. They render supervisors in need of oxygen. Postgraduates may not fail doctorates because of them, but such errors end any chance of passing quickly and without corrections. These simple mistakes also create doubt in the examiner’s mind. If superficial errors exist, it may be necessary to drill more deeply into the interpretation, methods or structure chosen to present the findings.

8. Make the topic of the thesis too large

The best PhDs are small. They investigate a circumscribed area, rather than over-egging the originality or expertise. The most satisfying theses – and they are rare – emerge when students find small gaps in saturated research areas and offer innovative interpretations or new applications of old ideas.

The nightmare PhD for examiners is the candidate who tries to compress a life’s work into 100,000 words. They take on the history of Marxism, or more commonly these days, feminism. They attempt to distil 100 years of history, theory, dissent and debate into a literature review and end up applying these complex ideas to Beyoncé’s video for Single Ladies.

The best theses not only state their original contribution to knowledge but also confirm in the introduction what they do not address. I know that many supervisors disagree with me on this point. Nevertheless, the best way to protect candidates and ensure that examiners understand the boundaries and limits of the research is to state what is not being discussed. Students may be asked why they made those determinations, and there must be scholarly and strategic answers to such questions.

The easiest way to trim and hem the ragged edges of a doctorate is historically or geographically. The student can base the work on Belgium, Brazil or the Bahamas, or a particular decade, governmental term or after a significant event such as 11 September 2001. Another way to contain a project is theoretically, to state there is a focus on Henry Giroux’s model of popular culture and education rather than Henry Jenkins’ configurations of new media and literacy. Such a decision can be justified through the availability of sources, or the desire to monitor one scholar’s pathway through analogue and digital media. Examiners will feel more comfortable if they know that students have made considered choices about their area of research and understand the limits of their findings.

9. Write a short, rushed, basic exegesis

An unfair – but occasionally accurate – cliché of practice-led doctorates is that students take three and a half years to make a film, installation or soundscape and spend three and a half weeks writing the exegesis. Doctoral candidates seem unaware that examiners often read exegeses first and engage with the artefacts after assessing if candidates have read enough in the field.

Indeed, one of my students recommended an order of reading and watching for her examiners, moving between four chapters and films. The examiner responded in her report – bristling – that she would not be told how to evaluate a thesis: she always read the full exegesis and then decided whether or not to bother seeing the films. My student – thankfully – passed with ease, but this examiner told a truth that few acknowledge.

Most postgraduates I talk with assume that the examiners rush with enthusiasm to the packaged DVD or CD, or that they will not read a word of the doctorate until they have seen the exhibition. This is the same assumption that inhibits these students in viva voces. They think that they will be able to talk about “art” and “process” for two hours. I have never seen that happen. Instead, the emphasis is placed on the exegesis and how it articulates the artefact.

Postgraduates entering a doctoral programme to make a film or create a sonic installation subject themselves to a time-consuming and difficult process. If the student neglects the exegesis until the end of the candidature and constructs a rushed document about “how” rather than “why” it was made, there will be problems.

The best students find a way to create “bonsai” exegeses. They prepare perfectly formed engagements with theory, method and scholarship, but in miniature. They note word limits, demonstrate the precise dialogue between the exegesis and artefact, and show through a carefully edited script that they hold knowledge equivalent to the “traditional” doctoral level.

10. Submit a PhD with a short introduction or conclusion

A quick way to move from a good doctoral thesis to one requiring major corrections is to write a short introduction and/or conclusion. It is frustrating for examiners. We are poised to tick the minor corrections box, and then we turn to a one- or two-page conclusion.

After reading thousands of words, students must be able to present effective, convincing conclusions, restating the original contribution to knowledge, the significance of the research, the problems and flaws and further areas of scholarship. Short conclusions are created by tired doctoral students. They run out of words.

Short introductions signify the start of deeper problems: candidates are unaware of the research area or the theoretical framework. In the case of introductions and conclusions in doctoral theses, size does matter.

Hope washes over the start of a PhD candidature, but desperation and fear often mark its conclusion. There are (at least) ten simple indicators that prompt examiners to recommend re-examination, major corrections or – with some dismay – failure. If postgraduates utilise these guidelines, they will be able to make choices and realise the consequences of their decisions.

The lessons of scholarship begin with intellectual generosity to the scholars who precede us. Ironically – although perhaps not – candidatures also conclude there.

References :

Tara Brabazon is professor of media studies, University of Brighton.



Source: http://www.timeshighereducation.co.uk/story.asp?sectioncode=26&storycode=410208&c=1

Tuesday, 14 April 2009

How to Defend a Thesis or Dissertation?

How to Defend a Thesis or Dissertation?:

Pointers to Defending a Thesis or Dissertation

A thesis defense! Everybody seems diffident of taking an oral examination. But how can you not be intimidated? After all, you are defending a topic in front of experts! In this situation, fear is more of a natural response than exception.

It turns out that the outcome of your thesis defense is largely dependent on how you manage your fears! Believe it or not, no matter the amount of stuff you know and your arduous rehash, you are bound to fail if you are not psychologically conditioned to face your challenge. Hence, focus on this aspect and put in mind its relative significance to your preparations: Actual preparations (30%) and execution (70%). At the onset, there might be a need to defend this percentage allocation.

Recall what a custom written thesis or dissertation means. It is usual for institutions to refer to the word thesis as some kind of an involved research work, usually done by an undergraduate student or a graduate pursuing a masteral degree. Certainly, a masteral thesis is relatively more comprehensive in scope and normally defended in front of an examining panel or a committee. A custom dissertation is a research paper or a thesis usually done by a candidate to a doctoral degree. However, it has become customary for many institutions to refer to a dissertation as a doctoral thesis. At any rate, a baccalaureate, masteral, or especially the doctoral thesis is a serious piece of original research work that requires considerable time to complete under the guidance of an advisor, usually a professor or expert in the field that the student is working on. Therefore, mastery of the thesis or its subject content is one that cannot be expected of a student simply in a matter of weeks; in fact, mastery is developed from the time of thesis conception to reproduction! This is just to say that understanding the subject matter during the relatively short time allotted to the preparation for a defense is too late a preparation- and, certainly, this is not leading to any mastery of subject matter. Currently, this is not what is meant also by preparations.

Accordingly, preparations for a thesis defense rest on one crucial assumption or requirement: Mastery of the topic and those matters relevant to it. Precisely, you must have built some considerable confidence on your knowledge about your subject matter through the years that you were working on it. Otherwise, there is no point scheduling for a defense- simply, you are not ready!

Suppose that you do have the required knowledge and confidence about it. Here are down-to-earth pointers that may help you through a successful defense, stated in suggested order of execution:

1. The Planning

Call it a "game plan," but there is nothing more assuring at the back of your mind than a well laid out plan. Begin by setting aside a comfortable amount of time for your preparation, say, a month or so. Make sure that the rest of the tasks that you must do must fit in this allotted time, plus some allowances. Yes, assume contingencies in your plan and strategize how to manage them. For instance, remember that you will need help from other people (classmates, colleagues, professors, etc.); hence, give leeway for their busy schedules.

2. Visitations

Visiting classmates, colleagues and members of your committee must be first in your plan. Ask about the business of defending a thesis. Some students are so organized and conscientious that they logged questions and responses of old examinations for the succeeding examinees to use. Take a preview, and try to comprehend the underlying scope and limitations. Further, it is likely that you will get a characteristic profile of your examining committee from older students. Use all these information to probe further: Visit your committee members. Thoughtful visitations, at the least, will help impress them of your seriousness. Most of the time, a good professor will not resist a curious, dedicated and thoughtful learner.

3. Refine Your Plan

Nobody says that you cannot go back to the drawing board and make changes to your plan. In fact, you must do this as often as necessary. Were the advices by other students inaccurate? What imminent changes are possible? The end result must be a strategy for a defense that is most comfortable for you. Besides, you can only feel comfortable once you know you have already a fair handle of the situation.

4. Defense Materials

It is quite alright to bring important visual aids or extracts from your thesis (charts, drawings, quotations, tables, etc.) to help you elaborate on your responses to questions. It is not necessary to carry a heavy baggage inside the examination room, but it is certainly assuring to have with you "everything" that you might think will be helpful. Remember, as always, "pictures speak louder than words," and, when short of articulation, one visual aid may be ready for the rescue. Really, you may not have to say, "As you know" if I have only brought with me that particular diagram, you might know exactly what I mean." Do not underestimate the value of simple tools like colored pens. You might actually be asked to demonstrate certain details on a blank transparency, to support your arguments. Likewise, you may not have to say, "Is there a pen somewhere? I wish I can write it all out for you." Certainly, a lack of simple tools during your defense can be misinterpreted as some lack of seriousness or mastery on your part.

5. Practice

The old adage "Practice makes perfect" still holds. Gather some friends and classmates to do the “mock orals” for you. Allow any of them to depict the questioning style of your committee members, and do the practice as realistically as possible. Your final hints to your potential performance can be gauge from here. When permissible, request for two or three sessions and consider the suggestions and key improvements each time. To a large extent, your own group can best decide on whether or not you will eventually succeed.

From this point onward, you are on your own. After all, the decision to succeed or not still is your own. Now, it is the right time to work out on you psychological conditioning. The following pointers may serve as your inspiration to manage any remaining fear and ensure a smooth defense:

A. Do you have any reason to expect what can possibly go wrong? You had years of studying your subject. You have addressed many issues and queries along the way. And, you know you are still in command of your thesis. What then can be more assuring on your part?

B. Did you complete your preparations from planning to "mock orals"? Did you receive a final nod from your friends and classmates? Was your main advisor happy about this? If so, do you have further reasons to harbor any fear?

C. Remember what failure means. Your years of stay in school have been expensive. You will not like paying for the same real estate twice. You would rather like a job that earns you a better livelihood or push you to a higher degree or accomplishment. Simply, you cannot afford to be ruined by mere fear of one examination!

D. Finally, all humans fear- yes, your committee members included! At least you are a normal human being. Understand what is meant by failure- it is not the end of everything! Knowing this fall back position and your strong drive to succeed is your final defense against fear.

On your examination day, these are the remaining final preparations:

1. Do not overdress yourself. You are up to a rough ride; come on a presentable (formal) yet comfortable attire.

2. Try to act natural and well composed. Without being presumptuous, look ready to take up any question.

3. Understand each question well and/or clarify before making any response.

4. Don't ever bluff! You are in front of respectable and knowledgeable people. It is alright to say "I cannot have the explanation offhand," "I can't seem to remember a good explanation," or "I don't believe that I have an answer to that." Yes, honesty matters to your committee next to mastery.

In sum, your prime pointer to defending your custom-written PhD thesis or dissertation is largely on your defense against irrational fears. Strive to manage these fears through strong psychological conditioning backed by your ready mastery of your thesis and some systematic preparations. "No guts, no glory." Remember: If gamblers can exploit courage to win by pure luck, certainly, you can succeed because you have the tangible ingredients to success.

Contributed by Rex Balena, PhD.

Multidisciplinary Scientist and Educator Consultant: Data processing, basic and advanced statistical analyses, PowerPoint/multimedia presentations, and custom essay writing on science and education topics.

Postgraduate Forum | Accountability Partners - Write your Dissertation in 15 Minutes a Day

Postgraduate Forum | Accountability Partners - Write your Dissertation in 15 Minutes a Day

Wednesday, 21 January 2009

Nasty PhD Viva Questions

Nasty PhD Viva Questions

Nasty PhD Viva Questions


A PhD candidate needs to anticipate the questions that are likely to be asked in the viva - the "horrible ordeal where you have to defend your thesis in person before they rip you to shreds." Actually, it's not nearly as bad as it sounds, provided that you enter it having prepared to your utmost.

There are three reasons why PhD candidates have to have a viva: it is so the examiners can see:

  • whether it is your own work;
  • whether you understand what you did;
  • whether it is worth a PhD (i.e. is a contribution to knowledge).

These are the points being examined (according to Alex Gray from the University of Cardiff):

  • Understanding: that you're ready to become an independent researcher.
  • Relationship to other work: that you have a command of your subject-area. Similarity to the work of others doesn't detract from novelty!
  • Novelty - is your work publishable? If you have already published a couple of papers, that should be proof of sufficient originality. Don't panic about recent publications that are very similar to your work - the important thing is to be aware of them, and to know the differences between your work and theirs.
  • What you have achieved, and that you are aware of its implications. What will it make a difference to?
  • Demonstration of hypothesis (what you set out to achieve). How have you evaluated/tested your hypothesis? Always be prepared to reconsider your hypothesis if you end up demonstrating something else - it's vitally important that your results match your hypothesis, and that you have a convincing argument for this.
  • Why did you do it the way you did? Not just your practical work, but everything. For example, your literature review should be focused towards your hypothesis.

Preparing for the Viva: Before you submit

It's crucial to get the philosophy of your thesis (as set out in your Chapter 1) absolutely correct, and clear in your mind by the time of the viva, because if the examiners find holes, they'll run rings round you.

They could ask you to explain/justify any statement in the thesis, so beware of baring nasty branches for clarification at the viva! Identify the contentious statements in the thesis, which you anticipate having to defend in the viva. A good supervisor will point out the contentious statements and grill you over them. Start a file of anticipated viva questions.

The conclusion chapter is a major one to focus on in anticipating viva questions - especially where you criticise your work!

Obviously, it's essential to know your own thesis thoroughly. I think it's a great idea to compile a brief summary of each section before you submit - enough to remind you of what's in each section, paragraph by paragraph or similar (my thesis summary is very different to, and shorter than, my thesis plan, where I basically wrote down all the points I could think of, then when I wrote it up, I added and deleted points, and changed the structure). Compiling a thesis summary before you submit has the advantages that you may spot strategic-level flaws in time to fix them, and will enable you to revise for the viva from the thesis summary rather than from the thesis itself.

Don't try to get the thesis perfect and free of minor corrections at the expense of delaying submission. It's almost certain that the examiners will find something to correct, anyway.


Preparing for the Viva: After you submit

The most important goal in preparing for the viva is to keep the subject alive in your head.

Try to anticipate the questions you'll be asked in your viva and keep working on a file of anticipated questions (both the generic questions listed on this web-page, and questions specific to particular sections of your thesis) and your answers. If you said anything without understanding it 100%, or anything you have doubts about having justified properly, add it to your viva file.

You can go into university after you've submitted your thesis and your registration has expired - doing some more practical work may (or may not) help to keep the subject alive in your head (you could do experiments and take printouts of the results to the viva).

However, the main preparation for the viva is reading. These are the things to prioritise:

  1. Know your thesis inside-out. Compile a thesis summary (see above) if you didn't do so before you submitted - revising from that rather than from the thesis itself will help you focus on the strategic level (a half-line summary of each paragraph in the thesis should suffice to remind you of every important point in the thesis). You should read your thesis summary in a continuous cycle while you're waiting for the viva, and you should read the thesis itself at least once after you submit it and before the viva. Try to read it from the perspective of the examiners.
    • If your thesis contains mathematical formulae, check them carefully so that you're confident, by the time of the viva, that they're correct. If they're not correct, work it out in advance so that you're not flustered by mathematical mistakes at the viva.
  2. Be familiar with the references cited in your thesis, because that's the literature your examiners are most likely to ask you about. Read anything you have cited without reading (not that you should cite things without reading in the first place!).
  3. The examiners could also ask you about literature not in the thesis, to test whether you are widely-read in your area.
    • So make sure you're familiar with the literature - not everything you've read in the last three years, but the more important stuff.
    • Look for recent review/survey papers of related areas. You need to be able to discuss the state of the art in any area related to your thesis.
    • Recent publications tend to be particularly important (what are the recent developments in your field?), although they can't ask you about anything published after you submitted your thesis.
    • Read the examiners' publications to get a feel for where they're coming from, what things they consider important, and which topics they consider relevant.
    • Don't stop reading until after the viva.

It might be an idea to publish a paper or two between submitting your thesis and the viva - I wish I had done so. Try to write papers from different perspectives.

The time between submitting the thesis and the viva varies greatly. I submitted my thesis on 28th September 2001, and had my viva on 18th September 2002! My thesis was very long (390 pages including appendices), and there was a delay in finding a suitable external examiner, but above all you have to remember that your examiners will be busy with other things too!

The shortest time I've heard of between submission and viva is three weeks (different subject, different university).

They have to give you at least two weeks' notice before the viva. I got five weeks' notice. My internal examiner suggested a couple of dates, I chose 18th September and asked for 14:00 in IT406, and this was officially confirmed a few days later.


The Viva itself

The PhD viva is an open-book exam: you can bring any materials you want. Here is what I think one should bring to the viva:

  • a copy of your thesis, obviously - you can stick yellow `post-it' notes on it (e.g. anticipated questions and answers), although I personally abhorred the idea of preparing from my thesis itself;
  • your list of anticipated viva questions and your answers;
  • printouts of the results of any post-submission experiments;
  • the chapter-summaries you made for revision;
  • all the notebooks you should have been keeping since the start of your research (the notebooks need to be indexed so that you can look things up);
  • any papers such that when you reviewed them in the thesis, you regurgitated something they said blindly without really understanding it (in my case, I identified two such papers, but I brought a dozen potentially contentious papers to the viva);
  • printouts of any files or emails containing useful ideas which you haven't documented elsewhere;
  • tissues, paracetemol, &c. in case of any unexpected bouts of sneezing, headaches, &c.

At my viva, I gave a presentation (using slides) about some experiments I did after I submitted my thesis. But it's unusual for the candidate to give a presentation, and your supervisor should advise you if it is appropriate to do this. If you do give a presentation, be prepared to be flexible - I was asked to speed up and just give the highlights.

It is not the norm, in this department (I do not speak for other departments/universities), to be expected to give a practical demonstration of your work at the viva, but you could always offer to do so if you think it will help your cause (unlikely).

Anyone can attend a PhD viva, but only the examiners and the candidate can participate. (This means it may be a good idea to attend someone else's viva before your own, though I've never had the balls to gate-crash a viva! :-o )

Your supervisor should definitely attend your viva, although (s)he is usually not allowed to participate unless invited to do so by the examiners. It might be an idea to keep an eye on the body-language of your supervisor to see if you're going wrong! ;-)

A viva typically lasts two hours (but as long as it takes - mine lasted 2h22m), and a common approach is for the examiners to go through the thesis sequentially, asking questions.

Just because they ask a lot of questions doesn't mean you're going to fail. They don't give away the result before or during the viva, but you may be asked to wait around for the result at the end (about half an hour), so that they can explain the result to you - particularly if you have to resubmit your thesis (failure without the option of resubmission is very rare, and is not going to happen if you submit anything resembling a sensible thesis).

Tips:

  • Relax and enjoy it, if possible!
  • Ideas should flow out from you without a lot of prompting.
  • Listen carefully to the questions and take your time answering them.
  • Answer your questions succinctly (a rough guideline is 2 to 3 minutes each - no 20-minute diatribes!). Avoid going off at a tangent.
  • Try to make your answers initially inclusive (spot overlaps), analytical, and then if appropriate dismissive or point out the limitations - and the effects of these limits.
  • Generic viva questions, such as the ones given in the section below, require imagination to answer well!
  • Answers may utilise a wide variety of examples and domains. They are a test of your breadth of knowledge as well as depth of knowledge which is expected of a PhD student.
  • Handling difficult questions:
    • If you don't understand the question, ask for clarification. Paraphrase the question in your own words and say, "is this what you mean?" State your assumptions.
    • Treat vague questions as invitations to tell the examiners that you know your area and how it fits into related areas. Try to link the question to the questions you have anticipated and their stock answers. After writing a thesis, you should have one big, connected network of discussion in your head, so you need to jump in at the appropriate place for a given question.
    • If they have a misconception about your work, try to pin it down and explain it.
    • If you think the question is irrelevant, explain why you think it is irrelevant (it may be that you need to be more broad-minded).
    • If you really can't answer a question:
      • Be honest.
      • If you have any idea at all, say it.
      • Say, "I can't answer this on the spot, but I should be able to work it out in my own time."
      • If it's about literature you haven't come across, thank the questionner and ask for a reference.

Typical Viva Questions

Here are some generic viva-questions - you should instantiate each question for your particular thesis, and have a framework for answering it worked out before the viva.

I have tried to cluster related questions together here - they are not necessarily in order of importance, nor in the order that they are likely to be asked at the viva.

General Questions

  • What is the area in which you wish to be examined? (particularly difficult and important if your thesis fits into several areas, or has several aspects, or seems to fit into an area of its own as mine does).

  • In one sentence, what is your thesis? (Resist the temptation to run from the room!)

  • What have you done that merits a PhD?

  • Summarise your key findings.

  • What are you most proud of, and why? This may be asked (again) towards the end of the viva.

  • What's original about your work? Where is the novelty? Don't leave it to the examiners to make up their own minds - they may get it wrong!

  • What are the contributions (to knowledge) of your thesis?

  • Which topics overlap with your area?
    For topic X:
    • How does your work relate to X?
    • What do you know about the history of X?
    • What is the current state of the art in X? (capabilities and limitations of existing systems)
      What techniques are commonly used?
      Where do current technologies fail such that you (could) make a contribution?
    • How does/could your work enhance the state of the art in X?
    • Who are the main `players' in X? (Hint: you should cluster together papers written by the same people)
      Who are your closest competitors?
    • What do you do better than them? What do you do worse?
    • Which are the three most important papers in X?
    • What are the recent major developments in X?
    • How do you expect X to progress over the next five years? How long-term is your contribution, given the anticipated future developments in X?

  • What did you do for your MPhil, and how does your PhD extend it? Did you make any changes to the system you implemented for your MPhil?

  • What are the strongest/weakest parts of your work?

  • Where did you go wrong?
  • Why have you done it this way? You need to justify your approach - don't assume the examiners share your views.

  • What are the alternatives to your approach?
    What do you gain by your approach?
    What would you gain by approach X?

  • Why didn't you do it this way (the way everyone else does it)? This requires having done extensive reading. Be honest if you never thought of the alternative they're suggesting, or if you just didn't get around to it. If you try to bluff your way out, they'll trap you in your own words.

  • Looking back, what might you have done differently? This requires a thoughtful answer, whilst defending what you did at the time.

  • How do scientists/philosophers carry out experiments?

  • How have you evaluated your work?
    • intrinsic evaluation: how have you demonstrated that it works, and how well it performs?
    • extrinsic evaluation: how have you demonstrated its usefulness for a specific application context?

  • What do your results mean?

  • How would your system cope with bigger examples? Does it scale up? This is especially important if you have only run your system on `toy' examples, and they think it has `learned its test-data'.

  • How do you know that your algorithm/rules are correct?

  • How could you improve your work?

  • What are the motivations for your research? Why is the problem you have tackled worth tackling?

  • What is the relevance of your contributions?
    • to other researchers?
    • to industry?

  • What is the implication of your work in your area? What does it change?

  • How do/would you cope with known problems in your field? (e.g. combinatorial explosion)

  • Have you solved the field's problem that you claim to have solved? For example, if something is too slow, and you can make it go faster - how much increase in speed is needed for the applications you claim to support?

  • Is your field going in the right direction? For example, if everyone's been concentrating on speed, but the real issue is space (if the issue is time, you can just wait it out (unless it's combinatorially explosive), but if the issue is space, the system could fall over). This is kind of justifying why you have gone into the field you're working in.

  • Who are your envisioned users? What use would your work be in situation X?

  • How do your contributions generalise?
    To what extent would they generalise to systems other than the one you've worked on?
    Under what circumstances would your approach be useable? (Again, does it scale up?)

  • Where will you publish your work? Think about which journals and conferences your research would best suit. Just as popular musicians promote their latest albums by releasing singles and going on tour, you should promote your thesis by publishing papers in journals and presenting them at conferences. This takes your work to a much wider audience; this is how academics establish themselves.

  • Which aspects of your thesis could be published?

  • What have you learned from the process of doing your PhD? Remember that the aim of the PhD process is to train you to be a fully professional researcher - passing your PhD means that you know the state of the art in your area and the directions in which it could be extended, and that you have proved you are capable of making such extensions.

  • Where did your research-project come from? How did your research-questions emerge? You can't just say "my supervisor told me to do it" - if this is the case, you need to talk it over with your supervisor before the viva. Think out a succinct answer (2 to 5 minutes).

  • Has your view of your research topic changed during the course of the research?

  • You discuss future work in your conclusion chapter. How long would it take to implement X, and what are the likely problems you envisage? Do not underestimate the time and the difficulties - you might be talking about your own resubmission-order! ;-)

Particular Questions

Most of the viva will probably consist of questions about specific sections of your thesis, and the examiner should give a page-reference for each question. According to Alex Gray, these questions fall into six categories:

  • Clarification. The examiners ask you to explain a particular statement in the thesis. In some cases, their lack of understanding may be due to a typo, e.g. "Why did you connect the client to the sewer?" Also, "not" is a small word which makes a big difference! ;-)
  • Justification.
  • Alternatives considered. Be honest if you didn't consider alternatives, otherwise you'll be digging a hole for yourself.
  • Awareness of other work.
  • Distinction from similar work. Especially recent publications where others are working in the same area - what are the similarities and differences between your work and theirs?
  • Correction of errors (typos, technical errors, misleading statements, and so on).

Acknowledgements

Much of the material on this page comes from my supervisor Nick Filer, from CS700/CS710, from questions I've been asked at the end of various presentations I've given, and from my own viva (most of the questions there were thesis-specific). I added questions from the external websites given at the end of this document. I also updated this document in the light of Alex Gray's keynote speech, "Surviving the PhD Viva: An External Examiners Perspective" at the 2002 Research Students' Symposium.

If you can think of any viva-style questions that are not covered by the above, please do not hesitate to tell me, and I will consider them for inclusion on this page.

Finally, I found my own viva much less stressful than I thought it was going to be. The examiners know that it's an ordeal for anybody, so they should go out of their way to put you at your ease and make you feel comfortable. I was amazed how calm I was, even when I went back to hear the result. If you're worried about getting an `impossible' resubmission-order, remember it's not the examiners' job to set insurmountable hurdles - they want you to pass as soon as possible.


External links

  • PhD Vivas - the end is in sight? (Medical Sociology UK)
  • Preparing for the Viva Voce (University of London)
  • How to survive a thesis defence (Physics, University of New South Wales)
  • Preparation for the Oral Examination (Brunel University)
  • Procedure for Viva Examination (University College London)
  • How to survive your viva (Lancaster University)
  • PDF file: Preparing for Your PhD Viva Voce (Warwick Business Schoo
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