heya.
I took that free test drive diag back in october and got a 10. 5v, 4p, 1b. I thought it was real hard and was pretty worried. I signed up regardless for kaplan because of the recommendation of my friends who took princeton before.
Its good to take in my opnion, it scared me and got me going in biology, which I had just started taking then. When I took that first diag in the class and had more biology under my belt my scores went up to 6v, 6p, 6b.
but the test drive diag was an eye opener for me. I had gone in thinking all the science would be discrete style questions. Having the passages really messed with me.
Id take it!