Scientists who study the biological basis of addiction have devoted considerable attention to understanding the rewarding properties of drugs. Much of this attention has focused on

Alayna is applying for a job as a computer technician. She passes a cognitive test but fails a job knowledge test, and thus she is eliminated from the applicant pool. The approach that was MOST likely used in this case is:

A) stepwise selection. B) multiple hurdle. C) compensatory selection. D) at-will selection.

According to the article Going to Pot, about adolescent drug use, a bathroomscale that is stuck on a single

number will always be (a) reliable, but not valid (b) valid, but not reliable (c) valid and reliable (d) neither reliable or valid