Well, I'm sure you've read this on other people's posts, but I also started studying with the Kaplan review book (the thin one, not the one you get with the course) and it was really hard! I did a practice test and my scores were BAD, which really freaked me out because I'd done fine in the undergrad courses. I ended up just reviewing my physics textbook (because I took that class a long time ago and needed the refresher) and I used AP review textbooks for bio and chem. Other than that, I used my o chem notes and a Princeton Review SAT book for the math section. For some reason, Kaplan is just really hard in all sections but o chem. Seriously, the opted test is VERY similar to the actual OAT, so I reviewed based on that and did just fine (370 TS, 370 AA). I understand that everyone is different, but this is what helped me. Also, I studied for about 4 hours a day for 6 weeks. GOOD LUCK on your test! I hope this helps a bit!
