… for substance use initiation. The current study assessed the impact of peer influence on both
initiation and escalation of cigarette, alcohol, and marijuana use among sixth, seventh, and …

… perceived peer use predicted increases in substance use … only make it less likely that youth
will initiate substance use (by … in samples of younger and older adolescents. Also of interest …

… impact of perceptions of parent use was stronger when youth were younger and the impact
of peer use … Monitoring the future national results on adolescent drug use: Overview of key …

… the time of initial drug use and perceived negative affect reduction were … This study found
that reports of early onset, deviant peer … Research beginning with younger samples may help to …

… a female romantic partner, in an escalating transaction. … ago, initiation of alcohol use in the
group of young teen girls ages 10… peer-group drug use and the individual’s perception of peers…

… study of child, adolescent, and young adult development. The … , students who perceived that
their peers condoned delinquent … initiation of substance use, but once an adolescent initiates …

… In this article, this issue is explored using data from a large community sample of young …
with cannabis may reduce the perceived risk of, and therefore barriers to, the use of other drugs. …

… to either the initiation or escalation of substance use. A … as having implications for emergent
substance use patterns … Delinquent peers and negative perceptions of substance use …

… having initiated or ever engaged in a problem behavior, or use … escalated to concurrent
delinquency and substance use. … this study is that, among younger adolescents, there was not a …

… for substance use onset and escalation, it would certainly be … and other drug use begins for
most young people. There are … numerous perceived positive functions during adolescence. It …