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Laninga-Wijnen, Lydia; Harakeh, Zeena; Dijkstra, Jan Kornelis; Veenstra, René; Vollebergh, Wilma – Journal of Early Adolescence, 2018
This longitudinal study examined the extent to which the development of prosocial and aggressive peer norms was related to individual prosocial and aggressive behavior development across the first year of secondary education (three waves, n = 1,134 adolescents from 51 classes, M[subscript age] = 12.66). A distinction was made between descriptive…
Descriptors: Longitudinal Studies, Aggression, Peer Influence, Prosocial Behavior