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…

Immigrant boys show higher rates of antisocial behaviour. However, results of previous studies showed some contradictory findings in terms of intercultural differences in antisocial behaviour. In our study, we used an intercultural comparison of antisocial behaviour based on two different definitions of migration status (nationality vs. migration…

We examined the impact of adolescents' popularity motivations on their involvement in relational aggression perpetration and victimization, heavy drinking, and antiauthority behavior, while also considering the role of teens' perception of their own popularity and psychosocial adjustment. High school students (N = 986; 50% female; M[subscript age]…

Is compulsive Internet use (CIU) an antecedent to poor mental health, a consequence, or both? Study 1 used a longitudinal design to track the development of CIU and mental health in Grade 8 (N = 1,030 males, 1,038 females, M[subscript age] = 13.7), 9, 10, and 11. Study 2 extended Study 1 by examining the kinds of Internet behaviors most strongly…

Misbehaviour in high school impacts learning and instruction in the classroom as well as the educational climate of the institution. In this report, changes in administrators', teachers', and students' reports of misbehaviour between 1990 and 2002 were examined using two national US databases. There was little change in administrators'…

This study supported associations between three theoretically driven conceptualizations of racial and ethnic identity (REI; Multigroup Ethnic Identity Measure; Multidimensional Racial Identity Measure; Bicultural Identity Measure) and with adaptive functioning among Canadian indigenous adolescents in middle school to high school. Age differences…

This article was prepared on the basis of materials from four regional survey projects conducted in Krasnodar krai in 2005 through 2009 at the behest and with the support of various municipal and regional bodies of authority: (1) "Problems of Today's Schools" (2005-6, a survey of students in the ninth through eleventh grades in twenty…

This study examined the relationship between risk, assets, and negative health behaviors among a large sample of Hispanic adolescents. Data were collected from over 1,000 Hispanic youth in grades 6, 8, 10, and 12 attending school in a moderate size school district in Northwest Arkansas. Logistic regression models examined the variation in the odds…

In this study, the self-report Youth Resiliency: Assessing Development Strengths (YR:ADS) questionnaire is used with adolescents from seven junior and senior high schools (N = 2,991) to investigate the function of resiliency profiles as a model for understanding why adolescents engage in bullying and acts of aggression and how having these…

Adolescent girls reported on their experiences both as perpetrators and as victims of several distinct forms of relational aggression. Details of these incidents were gathered from 114 ethnically diverse ninth and tenth graders via a secure online survey. The frequency with which girls perpetrated or were targeted for particular acts of relational…