Early adolescent girls and boys ( N = 33) with known histories of relational aggression and/or victimization gave detailed accounts of the nature, frequency, intensity, course, and impact of relational aggression among their peers. They also described reasons for, and forms of, aggression after being prompted by a series of hypothetical vignettes. Despite identifying many forms of aggression that were similar for girls and boys, some sex differences were found; girls were described as experiencing more victimization within close friendships than boys, with a focus on maintaining exclusivity. Boys described exclusion from larger groups with themes of masculinity, athletic skill, and/or perceived sexual identity. Girls’ and boys’ perceptions about the motivations for these different forms of relational aggression were quite similar. These included power, popularity, and wanting to fit in as well as the aggressors’ emotional states and the victims’ characteristics.

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Using longitudinal data and structural modeling, we investigated bidirectional associations among preadolescents' peer relationships, peer-relevant cognition, and depressive symptoms. Depression was expected to be an outcome and precursor of peer-relevant cognition, and cognition was expected to be an outcome and precursor of being more or less liked by classmates (peer likeability). We also examined whether cognition mediated the association between peer likeability and depression. Participants were 308 students (mean age = 11.0, SD = 0.9) who participated twice during a school year. A third assessment was completed with Grade 5 to 6 students 1 year after the second assessment. The model with bidirectional paths had a good fit to the data, but the most parsimonious model was an "effects" model showing that preadolescents with more depressive symptoms had less positive peer-relevant cognition at later assessments, and that those with more positive peer-relevant cognition were more liked by their peers over time. There were no age differences, some gender differences, and no support for cognition as a moderator of the association between depression and peer likeability.

The primary purpose of this multimethod and multimeasure study was to identify how the peer relationships of Australian adolescents (ages 9-15 years; N = 335) at school, including relational aggression and victimization, correlated with their symptoms of depression and anxiety. Moreover, relational aggression and victimization were measured via both self- and peer report, and discrepancies between reports were considered as correlates of symptoms and peer relationship status. Adolescents who reported more symptoms of depression and anxiety also self-reported more relational victimization and reported their peers as less trustworthy. Adolescents who overreported their own relational victimization and aggression compared with peer report had more symptoms compared with those who agreed with their peers or underreported their aggression and victimization. Adolescents who underreported their own aggression were not only more socially prominent but were also more disliked by their peers. When considered independent of self-reports, no measure of peer-reported peer status, aggression, or victimization was associated with depressive symptoms; but adolescents reported as more accepted by their peers had fewer anxiety symptoms. Longitudinal research should be conducted to examine adolescents' increasing socioemotional problems as correlates of discrepancies between self- and peer reports of relational aggression and victimization.

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