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Strong Genetic Contribution to Peer Relationship Difficulties at School Entry: Findings from a Longitudinal Twin Study
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Boivin, Michel; Brendgen, Mara; Vitaro, Frank; Dionne, Ginette; Girard, Alain; Perusse, Daniel; Tremblay, Richard E. – Child Development, 2013
This study assessed the genetic and environmental contributions to peer difficulties in the early school years. Twins' peer difficulties were assessed longitudinally in kindergarten (796 twins, "M"[subscript age] = 6.1 years), Grade 1 (948 twins, "M"[subscript age] = 7.1 years), and Grade 4 (868 twins, "M"[subscript…
Descriptors: Twins, Kindergarten, Genetics, Grade 1
Charting the Relationship Trajectories of Aggressive, Withdrawn, and Aggressive/Withdrawn Children during Early Grade School.
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Burgess, Kim B.; Ladd, Gary W. – Child Development, 1999
Compared aggressive, withdrawn, and aggressive/withdrawn children to normative and matched control groups on teacher and peer relationship attributes, loneliness, and social satisfaction from kindergarten through grade 2. Found that withdrawn behavior was neither highly stable nor predictive of relational difficulties. Aggression was fairly stable…
Descriptors: Aggression, At Risk Persons, Behavior Problems, Child Behavior
Children's Social and Scholastic Lives in Kindergarten: Related Spheres of Influence?
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Ladd, Gary W.; Birch, Sondra H.; Buhs, Eric S. – Child Development, 1999
Two studies examined a "child x environment" model of early school adjustment. Findings indicated that entry factors directly and indirectly influenced behavior, participation, and achievement in kindergarten. Initial behavioral orientation influenced the type of relationships formed with peers and teachers. Stressful aspects of…
Descriptors: Academic Achievement, At Risk Persons, Child Behavior, Children