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Abstract This study examined the relationships between peer, teacher and self-assessments on adolescent direct and indirect aggressive behaviour taking place at school. Subjects, a total of 2002, numbered 725 early, 575 middle and 702 late adolescent girls and boys. Measures on direct aggression included bullying, fighting and arguing, and measures on indirect aggression focused on backbiting and intriguing. The results revealed that, as a rule, the correlation between the peers and the teachers was higher than the agreement between the teachers and the self, which, in turn, was higher than that between the peers and the self. Consistency was also found to be higher with direct than with indirect aggression. Regarding age differences, the teacher-peer agreement was higher for the early and middle adolescents than for the late adolescents, while the teacher-self and the peer-self consistencies showed curvilinear relationships. Examining gender-related variance revealed that the peer-teacher correlation on direct aggression was higher for boys than for girls. No gender differences were found in assessments of indirect aggression. The results suggest, firstly, that self-ratings are not well interchangeable with peer or teacher assessments, which, in turn, are in line with each other, and, secondly, that there is a higher concordance in assessing direct than indirect aggression.
Pakaslahti et al. (Thu,) studied this question.