This study examined how adolescents' risk-taking behaviors were related to their prosocial behaviors on a daily level and how this association differed depending on adolescents' daily and average levels of sensation seeking and social craving. Adolescents (N = 212; M[subscript age] = 15 years) completed daily diaries for 14 days. Adolescents were…

Internationally, Out-of-School Time (OST) provision is widely seen as providing professionally-supervised activities through which young people, living in high-poverty contexts, can improve their after-school safety, as well as academic and personal development outcomes. However, even when practical barriers to access are removed, participation is…

This paper examines the likelihood of violence in successive cohorts of students in a small city during the implementation of a youth-led sexual violence prevention initiative. We compared the likelihood of violence among students who were in 8th, 9th, and 10th grade before the programming to the likelihood of violence among students who were in…

Indirect aggression has been associated with antisocial personality traits like Machiavellianism, but there is a lack of evidence on their longitudinal development across adolescence. Therefore, the joint developmental trajectories of adolescent indirect aggression and Machiavellianism across 3 years of high school (Grades 10 to 12) were…

This work evaluated the cross-sectional and longitudinal (i.e., over four months) impact of attachment to mother, father, and peers on three psychopathic traits (i.e., grandiose-manipulative, callous-unemotional, and impulsive-irresponsible) using a community adolescent sample, and if that impact was differentiated by gender. Though there is…

Background: Schools increasingly prioritize social-emotional competence and bullying and cyberbullying prevention, so the development of novel, low-cost, and high-yield programs addressing these topics is important. Further, rigorous assessment of interventions prior to widespread dissemination is crucial. Objective: This study assesses the…