Tag: viva preparation

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viva

Common Qs About The Viva: How Can I Avoid Nerves?

It would be very easy for me to say that PhD candidates shouldn’t worry about being nervous. After all, I’ve finished my PhD, and any negative things I remember about the experience are in the past. I’ve also got several years of experience of talking to candidates and graduates: I can’t say “don’t worry” except in a reassuring I-know-you-won’t-believe-me way. If you are prone to nerves, there is very little I can do in a piece of writing to help you avoid nerves entirely.

But perhaps I can share some things with you that could minimise their impact. I’ll do my best.

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viva

Common Qs About The Viva: Does Publishing Before The Viva Help?

I’ve been talking to PhD candidates about viva prep for over four years, and there are some questions that regularly come up at workshops. I’ve started answering some of these on this blog, but thought it might be useful to answer some of the most frequently asked questions all of this week. Let me know what you think in the comments, and please give me some questions for future posts!

Does publishing before the viva help?

I think that this question comes up a lot because some postgraduate researchers have been told that that is what academia is all about. It’s true that peer review of journal articles is a backbone of academic research, but PhDs are assessed on material presented in the thesis. The award of PhD is based on the merits of the research in the thesis, and by extension the talents and competence of the person who did it (the PhD candidate).

Given all of that, does publishing before the viva help?

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viva

Viva Experience Research, Part 3: Forming An Outline

The Story So Far

In yesterday’s post I shared some results from my survey about

  • the length of vivas;
  • the percentage of graduates that get minor corrections;
  • the discovery that 20.9% of PhD graduates are told at the start of their viva that they have passed.

These results get more interesting when we take into account research disciplines of respondents.

It is difficult to form impressions of individual subject areas, because of low numbers of particular areas. I decided to group respondents based on whether the discipline could broadly be considered Science and Engineering (SCI) or Arts, Social Sciences and Humanities (ASH); I used these to check for differences between viva experiences, starting with the simple areas of data that I talked about yesterday.

SCI Vivas

For SCI vivas (204 out of 302 respondents) the average viva length is 2 hours and 39 minutes; however, this doesn’t really mean all that much without some other analysis of the numbers. A closer examination shows:

  • 76% of SCI vivas were three hours or less; just over 5% were an hour or less.
  • Around 6% were more than four hours.
  • The most common viva length was still two hours (however there was a greater variety of longer vivas).
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series viva

Viva Experience Research, Part 2: Some Statistics

How long is the average viva?

Top of my list of questions, I wanted to know how long vivas were. I added up all of the lengths and divided by the number of participants and arrived at 2 hours and 23 minutes.

So now we know.

Except…

That’s not very helpful is it? We need to know how that relates to the various lengths reported. Is this skewed by one person with a twelve hour viva? (thankfully no!) This average gives us a smile I think, but not much more. So let’s look closer:

Generated by Wordle, the common viva times reported in terms of minutes. Size indicates relative frequency.
Generated by Wordle, the common viva times reported in terms of minutes. Size indicates relative frequency.

This image shows times concentrated around a range from 120 to 180 minutes. In fact, in my data:

  • 82.1% of respondents reported a viva of three hours or less, and almost 50% had a viva of two hours of less.
  • Less than 5% had a viva of more than four hours.
  • The most commonly reported time was 2 hours.

This is good news – and I think does a lot to debunk urban legends that get circulated. This data was collected from respondents who had their viva between 1999 and 2014, but almost two thirds of the responses were from 2010/14; when the set is restricted to responses from this period the results hold more or less true, with only a slight increase in longer vivas.

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series viva

Viva Experience Research, Part 1: Background

To Begin With

My viva was four hours long, and I was stood in front of a chalkboard for the entire duration.

Yeah: I know.

After my PhD, I started work as a skills trainer with postgraduate researchers, and I began delivering sessions on viva preparation. I could tell people about my viva, and about other vivas I had heard about, but I realised very quickly that:

  1. My viva was not typical, and while it was fine to talk about, it didn’t necessarily help people feel OK;
  2. I knew a lot about vivas anecdotally, but I didn’t know for sure what the general experience was like.

So I started the Viva Survivors Podcast – by the way, there’s a brand new episode up there today! – I wanted to share stories that would help people feel that the viva was not a terrible thing, and also see that there were things that could be done to prepare for it. By showing a variety of disciplines, postgraduate researchers would see that it was OK – and hopefully see that whatever differences individual vivas have, they also have a lot in common.

About two years later I realised that it was helping, but it wasn’t enough, not by itself.

So I asked seven questions.

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