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Direct linkOtten, Roy; Wanner, Brigitte; Vitaro, Frank; Engels, Rutger C. M. E. – Journal of Clinical Child and Adolescent Psychology, 2008
This study examined the role of friends' attitudes in adolescent smoking (N = 203). Growth mixture modeling was used to identify three trajectories of smoking behavior from ages 12 to 14 years: a "low-rate" group, an "increasing-rate" group, and a "high-rate" group. Adolescents' own and their friends' attitudes at age…
Descriptors: Smoking, Preadolescents, Early Adolescents, Student Attitudes
Nantel-Vivier, Amelie; Kokko, Katja; Caprara, Gian Vittorio; Pastorelli, Concetta; Gerbino, Maria Grazia; Paciello, Marinella; Cote, Sylvana; Pihl, Robert O.; Vitaro, Frank; Tremblay, Richard E. – Journal of Child Psychology and Psychiatry, 2009
Objectives: To longitudinally describe prosocial behaviour development from childhood to adolescence, using multiple informants within Canadian and Italian samples. Method: Participants in Study 1 were 1037 boys from low socioeconomic status (SES) areas in Montreal, Canada, for whom yearly teacher and mother reports were obtained between the ages…
Descriptors: Cross Cultural Studies, Mothers, Children, Foreign Countries
Veronneau, Marie-Helene; Vitaro, Frank; Pedersen, Sara; Tremblay, Richard E. – Journal of Educational Psychology, 2008
This 17-year longitudinal study tested whether low peer-perceived acceptance and association with aggressive-disruptive friends during preadolescence predicted students' failure to graduate from secondary school. Participants were 997 Caucasian, French-speaking boys from low-socioeconomic status, urban neighborhoods. The boys were recruited in…
Descriptors: Graduation Rate, High School Graduates, Longitudinal Studies, Peer Influence
