Based on 1,364 children across Grades 1, 3, and 5, the present study explored the mutualism of (externalizing and internalizing) behavioral problems and language, and whether social skills explained such mutualism. The random intercept cross-lagged panel models were conducted to control for between-person level variance and to explore mutualism of…

School suspension is associated with school dropout, crime, delinquency, and alcohol and other drug use for the suspended student. Important research questions are how academic and related factors are relevant to the school suspension process and the generality of the process in different sites. State-representative samples of Grade 7 students (N…

The effect of early adolescent alcohol use on antisocial behavior was examined at 1- and 2-year follow-up in Washington State, United States, and Victoria, Australia. Each state used the same methods to survey statewide representative samples of students ("N" = 1,858, 52% female) in 2002 (Grade 7 [G7]), 2003 (Grade 8 [G8]), and 2004…

School-based bullying perpetration and victimization is common worldwide and has profound impacts on student behavior and mental health. However, few studies have examined young adult outcomes of bullying perpetration or victimization. Research on factors that protect students who have bullied or been bullied is also lacking. This study examined…

Context: School suspension may have unintended consequences in contributing to problem behaviors, including dropping out from school, substance use, and antisocial behavior. Tobacco use is an early-onset problem behavior, but prospective studies of the effects of suspension on tobacco use are lacking. Method: Longitudinal school-based survey of…

This study examines protective factors for young adult alcohol use disorders, depression, and comorbid alcohol use disorders and depression. Participants were recruited from all fifth-grade students attending 18 Seattle elementary schools. Of the 1,053 students eligible, 808 (77%) agreed to participate. Youths were surveyed when they were 10 years…

Background: Few methodologically rigorous international comparisons of student-reported antisocial behavior have been conducted. This paper examines whether there are differences in the frequency of both antisocial behavior and societal responses to antisocial behavior in Victoria, Australia and Washington State, United States. These 2 states were…

This report examines the influence of peer substance use on school performance among 7th grade students in Washington State. The study consisted of two components. The first examined the relationship between substance use and school performance and explored the factors that affect school performance. The second examined the ways variables such as…