3x 15-25 min interviews, across 2 days
Interview 1 (Philosophy): discussed test taken earlier; Interview 2 (Economics): game theory; Interview 3 (Politics): basic maths, personal statement
Practice papers, TSA specification on website
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Prepare thoroughly for the TSA, don't take too many risks in the interview.
Remember this advice isn't official. There is no guarantee it will reflect your experience because university applications can change between years. Check the official Cambridge and Oxford websites for more accurate information on this year's application format and the required tests.
Also, someone else's experience may not reflect your own. Most interviews are more like conversations than tests and like, any conversation, they are quite interactive.
Test taken:
Number of interviews: 3
Skype interview: No
Interviews spread across 2 days
Length of interviews: 15-25 minutes each
Philosophy: the interview focused on a problem sheet we did a day before in timed conditions. It was very fun I found, since I ended up in a long argument about one of the harder questions with one of the tutors, which the other tutor found quite entertaining (so I assumed that was a good sign); there was a question I had been thinking about quite obsessively for 2 days after seeing it in the pre-interview surprise test. It seemed they wanted to see if you could engage with the questions thoughtfully and how you would respond to criticism of your answers, an extension of the question or a slightly different version of the question. I would advise carefully listening to the prompts from the tutor and trying your best to incorporate them in what you say in the interview.
Economics: I found this interview far more worrying. I got asked a textbook Game Theory question, which I did not know the answer to. I got it completely wrong, but I did justify my answer as best I could; I thought they might co-operate, since they might think I (in the game) might co-operate. One tutor disagreed and prompted me to reason through the correct answer (backwards induction). I think I managed that, but still argued my version of the answer. The tutors found that interesting, but I definitely felt afterwards I completely messed it up.
Practice papers for the
I used lots of books I found interesting related to my subject and online materials for the tests I knew about in advance.
If I were applying again, I would have read a textbook on Economics, as additional prep for the interview, and for fun. I thought the interview was going to be a really stimulating academic experience, which it was, but I now think that although the interview is certainly a chance to show your eccentricities and enthusiasm academically - and you should - there is no need to take as many risks as I did at interview. If your application is generally very good, all you need to do is answer the questions sanely, clearly, with enthusiasm, and by using some reading you have done, I think. I glorified it a bit too much.