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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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Forget-Dubois, Nadine; Dionne, Ginette; Lemelin, Jean-Pascal; Perusse, Daniel; Tremblay, Richard E.; Boivin, Michel – Child Development, 2009
Home environment quality is a well-known predictor of school readiness (SR), although the underlying processes are little known. This study tested two hypotheses: (a) child language mediates the association between home characteristics (socioeconomic status and exposure to reading) and SR, and (b) genetic factors partly explain the association…
Descriptors: School Readiness, Child Language, Genetics, Family Environment
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Leblanc, Line; Swisher, Raymond; Vitaro, Frank; Tremblay, Richard E. – Journal of Research on Adolescence, 2008
A longitudinal and multilevel approach is used to examine the relationship between antisocial behavior during adolescence and high school social climate. The data are taken from a longitudinal study of 1,233 boys and girls who attended 217 public and private high schools. Students' disruptive behaviors were assessed yearly from 6 to 12 years of…
Descriptors: High Schools, Behavior Problems, Student Behavior, Antisocial Behavior
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Duchesne, Stephane; Vitaro, Frank; Larose, Simon; Tremblay, Richard E. – Journal of Youth and Adolescence, 2008
Previous research has provided mixed results regarding the effect of anxiety on academic achievement. Building on this body of research, the present longitudinal study pursued two goals. The first goal was to describe trajectories of anxiety during elementary-school years. The second goal was to determine the predictive value of these trajectories…
Descriptors: High School Students, Academic Achievement, Grade 6, Anxiety
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Huijbregts, Stephan C. J.; Seguin, Jean R.; Zoccolillo, Mark; Boivin, Michel; Tremblay, Richard E. – Journal of Abnormal Child Psychology, 2007
This study investigated associations between maternal prenatal smoking and physical aggression (PA), hyperactivity-impulsivity (HI) and co-occurring PA and HI between ages 17 and 42 months in a population sample of children born in Quebec (Canada) in 1997/1998 (N=1745). Trajectory model estimation showed three distinct developmental patterns for…
Descriptors: Foreign Countries, Psychopathology, Child Rearing, Siblings
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Arseneault, Louise; Tremblay, Richard E.; Boulerice, Bernard; Saucier, Jean-Francois – Child Development, 2002
Assessed interaction between obstetrical complications and early family adversity in predicting violent behavior during childhood and adolescence among 849 boys from low SES areas. Found that elevated scores on scale of obstetrical complications (preeclampsia, umbilical cord prolapse, induced labor) increased risk of being violent at 6 and 17…
Descriptors: Adolescents, Children, Delinquency, Family Environment
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Romano, Elisa; Tremblay, Richard E.; Boulerice, Bernard; Swisher, Raymond – Journal of Abnormal Child Psychology, 2005
The study identified independent individual, family, and neighborhood correlates of children's physical aggression and prosocial behavior. Participants were 2,745-11-year olds nested in 1,982 families, which were themselves nested in 96 Canadian neighborhoods. Hierarchical linear modeling showed that the total variation explained by the…
Descriptors: Prosocial Behavior, Parenting Styles, Aggression, Family Influence
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Pagani, Linda S.; Tremblay, Richard E.; Nagin, Daniel; Zoccolillo, Mark; Vitaro, Frank; McDuff, Pierre – International Journal of Behavioral Development, 2004
Contributing to the family violence and conflict literature, we examine prospective and concurrent risk factors associated with verbal and physical aggression toward mothers by 15/16 year-old adolescent sons and daughters. Data from the Quebec Longitudinal Study of Kindergarten Children is used to examine the influence of socioeconomic factors,…
Descriptors: Family Violence, Aggression, Mothers, At Risk Persons