How many hours did you study for the drug and alcohol test-dantes

[PsychTestOut]

Okay, I just got back from this one passed with a 462. I studied the DSST guide from the internet, that test as well as two practice Peterson's. My test had 98 questions on it. I would say I guessed about a third of them. If you are not comfortable with not knowing an answer positively, then I would suggest reading a textbook or at least signing up for IC for this, because the DSST guide, while obviously enough to pass, did not cover the breadth and depth of questions on the actual exam.