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Guimond, Fanny-Alexandra; Brendgen, Mara; Correia, Stephanie; Turgeon, Lyse; Vitaro, Frank – Developmental Psychology, 2018
This study examined the moderating role of classroom injunctive norms salience regarding social withdrawal and regarding aggression in the longitudinal association between these behaviors and peer victimization. A total of 1,769 fourth through sixth graders (895 girls, M = 10.25 years, SD = 1.03) from 23 schools (67 classrooms) completed a peer…
Descriptors: Correlation, Peer Relationship, Victims, Withdrawal (Psychology)
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Pingault, Jean-Baptiste; Tremblay, Richard E.; Vitaro, Frank; Japel, Christa; Boivin, Michel; Côté, Sylvana M. – Child Development, 2015
This study examined the contribution of nonparental child-care services received during the preschool years to the development of social behavior between kindergarten and the end of elementary school with a birth cohort from Québec, Canada (N = 1,544). Mothers reported on the use of child-care services, while elementary school teachers rated…
Descriptors: Child Care, Preschool Children, Kindergarten, Elementary School Students
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Guimond, Fanny-Alexandra; Brendgen, Mara; Vitaro, Frank; Forget-Dubois, Nadine; Dionne, Ginette; Tremblay, Richard E.; Boivin, Michel – Developmental Psychology, 2014
This study used a genetically informed design to assess the effects of friends' and nonfriends' reticent and dominant behaviors on children's observed social reticence in a competitive situation. Potential gene-environment correlations (rGE) and gene-environment interactions (GxE) in the link between (a) friends' and…
Descriptors: Genetics, Environmental Influences, Prediction, Correlation
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Larose, Simon; Duchesne, Stéphane; Boivin, Michel; Vitaro, Frank; Tremblay, Richard E. – International Journal of School & Educational Psychology, 2015
Using a 17-year longitudinal design, this study examined the role of personal and family factors assessed early in life, and also academic and social experiences assessed in the first year of college, in predicting college completion. We followed a sample of 444 French-speaking Canadian children from middle to upper socioeconomic backgrounds (66%…
Descriptors: Educational Attainment, Educational Experience, Longitudinal Studies, Socioeconomic Background
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Guimond, Fanny-Alexandra; Brendgen, Mara; Forget-Dubois, Nadine; Dionne, Ginette; Vitaro, Frank; Tremblay, Richard E.; Boivin, Michel – Journal of Abnormal Child Psychology, 2012
This study used the monozygotic (MZ) twin difference method to examine whether the unique environmental effects of maternal and paternal overprotection and hostility at the age of 30 months predict twins' observed social reticence in a competitive situation in kindergarten, while controlling for the effect of family-wide influences, including…
Descriptors: Twins, Body Weight, Females, Parenting Styles
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Brendgen, Mara; Boivin, Michel; Vitaro, Frank; Bukowski, William M.; Dionne, Ginette; Tremblay, Richard E.; Perusse, Daniel – Child Development, 2008
Based on a sample of 406 seven-year-old twins, this study examined whether exposure to friends' social or physical aggression, respectively, moderates the effect of heritability on children's own social and physical aggression. Univariate analyses showed that children's own social and physical aggression were significantly explained by genetic…
Descriptors: Aggression, Genetics, Interaction, Antisocial Behavior
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Vitaro, Frank; And Others – Merrill-Palmer Quarterly, 1992
Compared sociometric and behavioral measures of two-year (kindergarten to grade two, or grade one to grade two) and 1-year (kindergarten-only or grade-one-only) rejected children. Concluded that it was possible to identify at-risk, two-year rejected children as early as kindergarten by means of combined sociometric and behavioral data. (GLR)
Descriptors: Behavior Problems, Early Intervention, Elementary School Students, Foreign Countries
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Hodges, Ernest V. E.; Boivin, Michel; Vitaro, Frank; Bukowski, William M. – Developmental Psychology, 1999
Examined role of friendship aspects in moderating behavioral antecedents and outcomes of peer victimization among fourth and fifth graders. Teacher-reported internalizing and externalizing behaviors predicted increases in peer-reported victimization; relation of internalizing behaviors to increases in victimization was attenuated for children with…
Descriptors: Antisocial Behavior, Bullying, Elementary School Students, Friendship