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Hay, David A.; O'Brien, Pauline J. – Child Development, 1983
Describes a mixed longitudinal analysis of 1,356 twins, (three to 15-years-old) their siblings, and cousins, who underwent a battery of physical and behavioral tests. The covariance structure analysis method in biometrical genetics was employed to specify determinants of the structure of cognitive abilities, to indicate how these change during…
Descriptors: Cognitive Development, Foreign Countries, Genetics, Longitudinal Studies
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Cashmore, Judith A.; Goodnow, Jacqueline J. – Child Development, 1985
Interviews 100 first borns (12-14 years) and their parents, where both were Australian-born and where parents were Italian-born and children Australian-born, to separate family transmission effects from generational similarities in culture. Proposes that studies across generations should distinguish between actual and perceived agreement and…
Descriptors: Adolescents, Childhood Attitudes, Cultural Influences, Family Influence