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The purpose of the study was to examine, in a large sample of Chinese children and adolescents at 9, 13, and 16 years of age, the contextual effects of the peer group on relations between academic achievement and social functioning. Data on informal peer groups, social functioning and academic achievement were collected from multiple sources. It was found that peer groups were highly homogenous on academic achievement. Hierarchical linear modeling analysis revealed that academic achievement and social adjustment were associated at both the within-group individual level and the group level. Moreover, group academic performance moderated the relations between academic achievement and social adjustment such as peer acceptance, social competence, and leadership, suggesting that individual-level relations might be enhanced or exacerbated by group academic norms.
Chen et al. (Thu,) studied this question.