Just by sheer numbers, substance use disorders involving illicit drugs is a bigger, more important problem in the U.S. than alcohol use disorders

Psychologists call the characteristics, emotions, and beliefs people have about themselves

A) self. B) self-regulation. C) conscience. D) perspective taking.

Bill wants to assess the play behavior of preschoolers, but is concerned that it would entail

assessing this behavior in a large sample of children over an 8-hour period. Rather than assess every play behavior during this time period, Bill randomly assesses their behavior for ten minutes out of 1-hour time blocks over the course of the day. Bill is using __________ to code his data. A) qualitative methods B) sequential analysis C) event sampling D) time sampling