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Direct linkOjanen, Tiina; Kiefer, Sarah – International Journal of Behavioral Development, 2013
This study examined the development of adolescent self-reported instrumental-overt, instrumental-relational, reactive-overt, and reactive-relational aggression during middle school ("N" = 384; 12-14 years; 53% boys). Growth modeling indicated average increases in instrumental-relational aggression, and decreases in reactive-overt and…
Descriptors: Foreign Countries, Middle School Students, Aggression, Adolescent Development
