An emerging literature suggests that females are more likely than males to take and post selfies and that such selfies tend to both conform to and legitimize the sexualization of femininity. It has been found that key predictors of selfie behaviors are narcissistic personality traits and that taking a higher number of selfies may, in turn, put…

This study investigated gender differences in the relationship of early physical and relational aggression to later peer rejection and overt and covert antisocial behaviors. Significant gender differences were found indicating physically aggressive boys were more likely than girls to experience later peer rejection. Early physical aggression was…

The present study examined the joint development of substance use and externalizing problems in early and middle adolescence. First, it was tested whether the relevant groups found in previous studies i.e., those with an early onset, a late onset, and no onset or low levels of risk behavior could be identified, while using a developmental model of…

Disordered eating behaviors and substance use are two risk factors for the development of serious psychopathology and health concerns in adulthood. Despite the negative outcomes associated with these risky behaviors, few studies have examined potential associations between these risk factors as they occur during adolescence. The importance of…

This monograph explores the nature and development of aggression and violence in children and youth, especially as manifested within the school setting. It examines the extent of the problem, typical reactions to aggression and violence within the school, and the impact of these reactions on the behavior of students with emotional/behavior…