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Oliver, Bonamy R.; Pike, Alison; Plomin, Robert – Journal of Child Psychology and Psychiatry, 2008
Background: The identification of specific nonshared environments responsible for the variance in behaviour problems is a key challenge. Methods: Nonshared environmental influences on teacher-reported behaviour problems were explored independently of genetics using the monozygotic (MZ) twin differences design. Six aspects of classroom environment…
Descriptors: Behavior Problems, Siblings, Hyperactivity, Genetics
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Daniels, Denise; Plomin, Robert – Developmental Psychology, 1985
Used the Sibling Inventory of Differential Experience with 396 adolescent and young adult children to determine the extent to which genetic differences between siblings or sibling differences in family constellation variables were responsible for differential experiences. (HOD)
Descriptors: Adolescents, Adopted Children, Comparative Analysis, Family Environment