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LaBuda, Michele C.; And Others – Child Development, 1986
A path model of genetic and shared family environmental transmission was fitted to general cognitive ability data from 1-, 2-, 3-, and 4-year-old adopted and nonadopted children and their parents to assess the etiology of longitudinal stability from infancy to early childhood. (HOD)
Descriptors: Adoption, Behavior Development, Cognitive Ability, Cognitive Development

Hagekull, Berit; Bohlin, Gunilla – International Journal of Behavioral Development, 1986
Analyzes relationships between directly observed infant and mother behavior and infant temperament characteristics, as described in maternal ratings; separates the effects of different variance components in prediction of the observed behaviors; and explores possible interactions between infant sex and infant temperament in determining both infant…
Descriptors: Behavior Development, Behavior Patterns, Behavioral Science Research, Family Environment

Anderson, Daniel R.; And Others – Child Development, 1986
Decribes age trends in television viewing time and visual attention of children and adults videotaped in their homes for 10-day periods. Shows that the increase in visual attention to television during the preschool years is consistent with the theory that television program comprehensibility is a major determinant of attention in young children.…
Descriptors: Adaptation Level Theory, Adults, Age Differences, Attention Span