There is insufficient empirical evidence exploring associations between gang membership and school violence behaviors. Using a sample of 272,863 high school students, this study employs a structural equation model to examine how school risk and protective behaviors and attitudes mediate effects of gang members' involvement with school violence…

This article conceptualizes the crucial social and developmental features impacting Mexican-descent youth and adolescents in low-income communities in southern California. All youth in these neighborhoods must confront and come to grips with the many environmental, socioeconomic, racial, and cultural forces they confront. However, it is the…

A central theme of research on human development and psychopathology is whether a therapeutic intervention or a turning-point event, such as a family break-up, alters the trajectory of the behavior under study. This article describes and applies a method for using observational longitudinal data to make more transparent causal inferences about the…

Compares the perceptions of 534 adults and 458 secondary school students in Racine (Wisconsin) about gang activity in the community. Finds that adults perceive gangs as formalized, highly organized, structured groups, while youth perceive gangs as more informal, loosely organized, and amorphous groups. (FMW)