The pervasiveness of social media in adolescents' lives has important implications for their relationships. Considering today's adolescents have grown up with social media, research capturing their unique perspectives of how social media impacts their relationships is needed to increase understanding and help guide behaviors that nurture…

This study examined whether adolescent students' externalizing behavior and prosocial behavior affects their academic achievement (i.e., school grades and standardized test scores) in two major academic domains (i.e., mathematics and German) over and above well-established determinants of school achievement (i.e., prior achievement, intelligence,…

The present study examined relations between concern for mianzi, or the social perception of one's prestige and standing in the group, and adjustment in Chinese adolescents. Participants were seventh- and ninth-grade students in rural and urban regions of China (n = 794, M[subscript age] = 14 years). Data were obtained from multiple sources…

The present study investigates the effect of obesity and overweight on children's cognitive abilities and well-being using survey data from West Bank schools. The results show the significant adverse impact of obesity on a child's well-being by raising externalizing (behavioral) problems and increasing the probability of classifying a child with…