Im taking TPR right now, and I have already finished all the material because I plan on taking the april MCAT. When I do the passages in their huge science workbook I'm averaging about 70-80% on each of the passages. But when I took two of their diagnostic exams, I did horribly on both. I'm not sure what the problem is, I think part of it can be blamed on the fact that I am not at all used to taking tests online, but outside of that I am really worried. Wanted to know if anyone else is having similar problems or if anyone has some advice on this?