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Developmental Psychology | 2 |
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Goldsmith, H. H.; Lemery, Kathryn S.; Buss, Kristin A.; Campos, Joseph J. – Developmental Psychology, 1999
Explored genetic and environmental underpinnings of temperamental differences in 3- to 16-month-old twins and their parents. Found that additive genetic and shared environmental effects best represented smiling, laughter, and duration of orienting. Shared environmental effects fully accounted for co-twin similarity for soothability. Additive…
Descriptors: Genetics, Individual Differences, Infant Behavior, Infants

Ge, Xiaojia; And Others – Developmental Psychology, 1996
Examined evidence for reciprocal influence between adoptive parents' behavior and heritable characteristics of adopted children. Found that psychiatric disorders of biological parents were significantly related to children's antisocial/hostile behaviors and consequently with adoptive parents' behavior. Also, the adoptee's antisocial/hostile…
Descriptors: Adolescent Attitudes, Adolescent Development, Adolescents, Adopted Children