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Gremmen, Mariola C.; Berger, Christian; Ryan, Allison M.; Steglich, Christian E. G.; Veenstra, René; Dijkstra, Jan K. – Child Development, 2019
This study examined to what extent adolescents' and their friends' risk behaviors (i.e., delinquency and alcohol use) hinder or promote their academic achievement (grade point average [GPA]), and vice versa. Longitudinal data were used (N = 1,219 seventh- to ninth-grade adolescents; M[subscript age] = 13.69). Results showed that risk behaviors…
Descriptors: Adolescents, Behavior, Risk, Delinquency