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Eley, Thalia C.; Lichtenstein, Paul; Stevenson, Jim – Child Development, 1999
Parents of Swedish twin pairs ages 7 to 9 years and of British twin pairs ages 8 to 16 years completed the Child Behavior Checklist. Found that genetic factors influenced aggressive antisocial behavior to a greater extent than nonaggressive antisocial behavior, which was also significantly influenced by the shared environment. There was a…
Descriptors: Adolescents, Aggression, Antisocial Behavior, Behavior Problems
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Johoda, Gustav – British Journal of Psychology, 1980
A 3D mental rotation task was used to measure spatial performance in boys and girls in Ghana and Scotland. Sex differences of equal magnitude appeared in both cultures. In light of these findings, the author discusses genetic and environmental theories of spatial ability and the problems in testing such skills. (SJL)
Descriptors: Adolescents, Cross Cultural Studies, Cultural Influences, Nature Nurture Controversy
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Hines, Melissa; Shipley, Carl – Developmental Psychology, 1984
Investigates the relationship between the perinatal hormonal environment and the development of cognitive sex differences. Compares 25 upper class women aged 14 to 24 who were exposed prenatally to diethylstilbestrol (DES) and their unexposed sisters. Subjects show a more masculine pattern of lateralization than their sisters but are similar in…
Descriptors: Adolescents, Adults, Biological Influences, Cognitive Development
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Jacobson, Kristen C.; Rowe, David C. – Developmental Psychology, 1999
Investigated genetic and environmental contributions to relationship between family and school environment and depressed mood; also potential sex differences in genetic and environment contributions to variation in and covariation between family connectedness, school connectedness, and depressed mood. Subjects were 2,302 adolescent sibling pairs.…
Descriptors: Adolescents, Depression (Psychology), Educational Environment, Family Environment
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Meehan, Anita M. – Child Development, 1984
Examines the findings of 53 studies of sex differences in propositional logic, combinatorial reasoning, and proportional reasoning tasks. Finds sex differences for the latter two tasks to be vulnerable to Rosenthal's "file drawer" problem and effect size to be small for all tasks. Discusses possible explanations for sex differences in…
Descriptors: Abstract Reasoning, Adolescents, Adults, Environmental Influences
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Bray, James – Monographs of the Society for Research in Child Development, 1999
Discusses five areas concerning Heatherington et al.'s study: nature and nurture issues; deviance versus normative behavior in stepfamilies; context and meaning in different types of families; intersecting developmental trajectories; and gender differences. (JPB)
Descriptors: Adolescents, Biological Parents, Context Effect, Emotional Adjustment
Lange, Anna-Lena – 1996
This longitudinal study investigated hereditary and environmental influences on life situation, self-reported health, and coping ability at mid-life in relation to background factors collected during adolescence. A nationally representative Swedish sample comprised of monozygotic (MZ) and dizygotic (DZ) twins; a control group of singletons was…
Descriptors: Adjustment (to Environment), Adolescents, Adults, Classroom Environment