I registered for the GMAT and downloaded Powerprep. I took the first full test and scored 610. Fine and dandy. Studied some more and got 660 on the second one. OK so far.
Then I took the first CAT on the Kaplan
2004 prep book's CD. I got 520! I think it's quite a drop from 85th percentile (660) to 50th percentile (520).
I'm just wondering if there is something I should know about Powerprep vs. Kaplan
and which (if either) is an accurate predicter of final results. I've read multiple times that the paper tests in books are not because they're not adaptive...I don't know if the CATs in Powerprep and/or Kaplan
I'm not shooting for an 800...something over 600 would be nice though