Antisocial peer behavior and low parental knowledge of adolescents' activities are key interpersonal risk factors for adolescent substance use. However, how the magnitude of associations between these risk factors and substance use may vary across adolescence remains less well understood. The present study examined the age-varying associations of…

School leaders around the world navigate a learning environment where most students have (or soon will have) ubiquitous access to an Internet-connected device. As a result, districts have implemented acceptable use policies (AUPs) to address the ways that students are using those technologies. In this study, we analyzed the AUPs of 75 one-to-one…

We tested 2 hypotheses derived from Moffitt's (1993) taxonomic theory of antisocial behavior, both of which are central to her explanation for the rise in delinquency during adolescence. We tested whether persistently delinquent individuals become more accepted by their peers during adolescence and whether individuals who abstain from delinquent…

This longitudinal study investigates whether rural adolescents who transition to a new school in sixth grade have higher levels of risky behavior than adolescents who transition in seventh grade. Our findings indicate that later school transitions had little effect on problem behavior between sixth and ninth grades. Cross-sectional analyses found…

Siblings represent an important social influence on alcohol use in adolescence. That said, there is a need for studies that examine potential mechanisms by which siblings exert an influence on the likelihood of drinking in adolescence. This paper illustrates a method that utilizes videotaped interaction between sibling dyads along with a micro…

This study examined the relationship between teacher anxiety and their identification of warning signs of student violence. Fifty-six public school teachers, 22 male and 34 female, between the ages of 23 and 60 participated. Participants identified warning signs in five fictional student case files created for this study and completed the…