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Individual Variation and Family-Community TiesA Behavioral Genetic Analysis of the Intergenerational Closure in the Lives of AdolescentsTexas Tech University
University of Texas at Austin Intergenerational closure refers to parents knowing the parents of their adolescents friends. This study treated intergenerational closureas reported by the parents of adolescent twinsas the dependent variable in a behavioral genetic analysis. The sample consisted of identical and fraternal twin pairs in the National Longitudinal Study of Adolescent Health (Add Health). Models that were fit to twin covariance matrices estimated that additive genetic influences accounted for 44% of the variance in intergenerational closure and shared environmental influences for 44%. These findings provide evidence that the heritable characteristics of adolescents influence the connections between their families and their extrafamilial social networks.
Key Words: intergenerational closure social capital genetics parenting
Journal of Adolescent Research, Vol. 19, No. 2,
174-191 (2004) |
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