Social media use among adolescents continues to increase each year. This cross-sectional study explored how the amount of time spent using social media and the frequency of specific behaviors on social media, namely, behaviors that involve self-objectification, were related to body surveillance and body shame among a sample of early adolescents (N…

This study examined the mediating effect of friends' characteristics (problem behavior and academic achievement) in the association between students' background (family and individual factors) and later academic adjustment, as operationalized by problem behavior and academic achievement. We recruited 998 participants in three public middle schools…

This study investigated the structure and concurrent validity of the Beliefs About Fighting Scale (BAFS). Participants were 2,118 students from three urban middle schools who completed measures of their beliefs, frequency of physical aggression, victimization, and nonviolent intentions. Ratings of students' frequency of physical aggression,…

The purpose of this study was to determine whether bullying perpetration in early adolescence is capable of predicting delinquency 1 year later. Nine control variables were included in a regression analysis of the bullying-delinquency relationship in 1,001 schoolchildren (X-bar age = 12.97 years). The nine control variables (age, sex, race, social…

This study examined group differences by grade (fifth graders in elementary school and sixth graders in middle school) and gender in academic (behavioral and emotional engagement, academic self-concept, and worry) and socio-emotional adjustment (self-esteem, social satisfaction, social self-concept, and worry). Self-report data were collected from…

The Bystander Intervention Model proposed by social psychologists Latané and Darley has been used to examine the actions of peer bystanders in bullying. The five-stage model consists of notice the event, interpret event as an emergency, accept responsibility for intervening, know how to intervene, and implement intervention decisions. The current…

This study evaluates the effect of attending a U.S. public middle or junior high school as compared with a K-8 school on eighth graders' academic and psychosocial outcomes. In a national sample, we conducted propensity score weighted regression analysis. Initial findings indicated that for eighth-grade students, attending a middle or junior high…

The aim of this longitudinal study was to examine seeking help from teachers as a mechanism mediating the relationship between achievement goals adopted by students early in the school year and their degree of behavioral and cognitive engagement in academic work almost 2 years later. A sample of 456 French Canadian students (215 boys; 240 girls;…

Adolescents' attitudes predict sexual behavior; therefore, attitudes are targeted in sexually transmitted infection (STI) and pregnancy prevention programs. However, attitudes and behaviors do not always align. Young adolescents who have had penile vaginal intercourse (PVI) and have attitudes supportive of PVI have two risk factors for future…

Although the assertion that marital hostility relates to higher levels of youth adjustment difficulties has been well established, few studies have examined cooperative marital conflict in relation to youth behavior problems. This study examined the main and moderating effects of cooperative marital conflict on youth behavior problems in a sample…

Best friend expected emotion socialization responses were examined as a potential explanation for the link between social anxiety and youths' friendship quality and dysfunctional emotion regulation (ER). A community sample of 202 young adolescents ([X-bar][subscript age] = 12.66; 52.5% girls, 75.7% White) within 101 same-sex, reciprocated best…

The smartphone has many attractive attributes and characteristics that could make it highly addictive, particularly in adolescents. The purpose of this study was to examine the prevalence of young adolescents in risk of smartphone addiction and the psychological factors associated with smartphone addiction. Four hundred ninety middle school…

This study investigated the associations among peer status, friendship jealousy, and relational aggression in early adolescence, with a focus on peer status as a moderator of the association between relational aggression and friendship jealousy. Three hundred eighteen sixth-, seventh-, and eighth-grade students completed a sociometric assessment…

The indirect effects of moral disengagement about cyberbullying and parental monitoring on traditional victimization and bullying via cyberbullying involvement were examined in a diverse sample of 800 youth in Grades 3 to 8. After controlling for grade and gender, moral disengagement about cyberbullying and parental monitoring had an indirect…

Victimization has been primarily studied within the broader peer group, leaving other potentially important contexts, such as friendship cliques, unexplored. This study examined the role of popularity in identifying protective factors that buffer against victimization within early adolescents' (N = 387) friendship cliques. Previously identified…