Adolescent risk-taking behaviors, encompassing both positive and negative dimensions, play a pivotal role in shaping psychosocial adaptation. As prior research has predominantly adopted variable-centered approaches, the heterogeneity patterns of risk-taking behaviors and their differential associations with multidimensional adaptation remain…

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…

Despite broad consensus that most juvenile crimes are committed with peers, many questions regarding developmental and individual differences in criminal style (i.e., co-offending vs. solo offending) remain unanswered. Using prospective 3-year longitudinal data from 937 14- to 17-year-old serious male offenders, the present study investigates…

The aim of this prospective study was to examine the relations between organized activity involvement and internalizing and externalizing symptoms across four years of high school. Participants were 240 adolescents who varied in their risk for psychopathology. Information about adolescents' activity involvement and internalizing and externalizing…

Research examining the relationship between internalizing symptoms and antisocial behaviors has generally been cross-sectional in design. Thus, although extant data have substantiated a strong correlation between internalizing symptoms and antisocial behaviors, few studies have focused on describing the nature of the co-occurrence over time. This…

Studied personality, temperament, and behavioral factors as predictors of the development of eating disorders in 726 girls and 698 boys in junior high school when the 3-to-4-year study began. Discusses negative affect/attitudes as a generalized psychopathology vulnerability factor for disordered eating. (SLD)

Objective: Attachment theory offers an intriguing formulation of protection and risk that ties together key aspects of behavior, emotion, and cognition. The authors present links among attachment status, other developmental domains, and the development and maintenance of externalizing disorders to illustrate an approach to integrating attachment…

Presents an integrated clinical approach, based on a developmental, structuralist framework, to classify adaptive and pathological personality organizations and behaviors in infants and preschool children. (Author/DB)