When asked to describe himself, Kolton replies, "I have a sister named Jo and I live in Fort Qu' Appelle." Most likely Kolton is _________ year(s) old

What is the term used to define substances that adolescents may try before they may go on to try "harder" substances?

a. Gateway drugs b. Safeway drugs c. Waystation drugs d. Weightgain drugs

Research on adolescent aggression shows that late-onset youths

A) first display antisocial behavior around the time of puberty, gradually increasing their involvement. B) commit more serious crimes and spend more time in prison than early-onset youths. C) often have deficits in cognitive functioning, as well as a diagnosis of attention-deficit hyperactivity disorder. D) first display antisocial behavior in late adolescence, which then peaks in the mid-twenties.