The University of Sheffield
Department of Computer Science

Dissertation project: Vivas

A viva - more properly a viva voce examination - is a form of examination where you have to defend your work verbally in front of at least two examiners. This form of examination is always used instead of the poster presentation for students who are resitting a failed project externally but very rarely for any other student.

If a viva is necessary it will be timetabled for 30 minutes at a date before the end of term for undergraduates and the academic year for postgraduates and you will be warned several days in advance.   It is an examination and, for external resit students at least, failure to attend the viva without a compelling reason is an automatic fail.

The viva will be formal. As well as your two markers, there may be a moderator (another member of staff) who will oversee the viva. The moderator will only see the introduction and conclusion chapters of your dissertation, so it is important that the introduction clearly sets the scene for the project and the conclusion presents all the main findings.

At the viva, you will be expected to defend your work, state the main achievements, discuss shortcomings and respond to detailed questioning from the examiners. Often in vivas, the examiners ask you to begin by briefly describing your project and its main findings. If you are asked to do this, be brief. You are not required to do a formal presentation (e.g using an OHP or powerpoint). All you are doing is providing a short verbal overview of your work - you could note the main points of your work on cue cards in advance of the viva to help you do this.

For the viva, you would probably be given a couple of minutes to briefly describe your project and its main findings before detailed questioning began. This tests your ability to summarise informatively. The viva should make clear that the work is your own, that you understand what you have done, can explain how the project was developed, can clearly explain why particular tools were used from amongst those available, can show that you have read widely, can accept the project's shortcomings and discuss its achievements and can show an understanding of how it could be improved or worked on in the future.