No worries
well the EPQ is really down to you, and it is VERY independent. I would make sure you have an excellent supervisor that has at least some knowledge in the topic you have chosen, because they can give you ideas that you bounce off of. I chose an English teacher for mine originally, as I was looking at tragedy in written work, however, that teacher wasn't interested and put it off, so I changed supervisors and asked my Art teacher who was absolutely brilliant!
To give you an indication of the workload/time, I had an A4 folder full of research and ended up writing a 6,000- ish word essay on my topic.Don't worry though- I know a lot of people that had some notes in a notepad and their report, as they just mark you on the quality of your essay and your log book (where you keep track of research) so the exam board don't actually see the physical research, it'll show through your essay if you've prepared (if that makes sense). Depending on your school, you have the 'taught' element, which for us was like a lunch time every fortnight, where our teacher went over things like research methods, structuring essays etc.
In the end we did a presentation in front of our group,which was just basically evaluating and talking about our project.Finally, It was out of the way and did not interfere with any exam, which was a bonus!
Does your school run the EPQ over two years or one? Because for my year the teacher had started the lessons a year late so we just had from September Year 13 to do our project, whereas the new Year 12 group are starting now. Given the time frame I had, it was still perfectly doable! So it is really down to you and time management. I feel personally that my English A2 was lot more work than my EPQ, as I did coursework for that (3000 words) and have an exam too... on Friday
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Hope that helps in some way, and if you have any questions at all then please ask away!