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Byrne, Brian; Little, Callie W.; Olson, Richard K.; Larsen, Sally A.; Coventry, William L.; Weymouth, Rachel – Journal of School Choice, 2020
Asbury and Wai ("Journal of School Choice," 2019) perform a valuable service by summarizing much available behavior--genetic research on academic achievement. However they consider that no specific policies stem from the research body at this time. Here we do propose a policy based on some of our research using twins, namely that…
Descriptors: Educational Policy, Educational Finance, Financial Support, Resource Allocation
Powers, Stefanie – Zero to Three, 2006
Twin research has a long history and plays a central role in the ongoing exploration of the influence of genes and the environment on human development. Recent advances in molecular biology and the ability to identify the role of specific genes in human development raise new questions about how genes and the environment influence behavior. At the…
Descriptors: Twins, Research Methodology, Molecular Biology, Genetics
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Turkheimer, Eric; D'Onofrio, Brian M.; Maes, Hermine H.; Eaves, Lindon J. – Child Development, 2005
Recent reports using a classical behavior genetic research design in which twin data are combined with a measured characteristic of their shared family environment have made striking claims about estimating environmental influences on behavior with genetic effects controlled. Such claims are overstated for two related reasons. First, when a…
Descriptors: Twins, Environmental Influences, Family Environment, Genetics
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Partridge, Ty – Developmental Psychology, 2005
M. McGue, I. Elkins, B. Walden, and W. G. Iacono (see record 2005-14938-011) presented the findings from a twin study examining the relative contributions of genetic and environmental factors to the developmental trajectories of parent-adolescent relationships. From a behavioral genetics perspective, this study is well conceptualized, is well…
Descriptors: Genetics, Environmental Influences, Parent Child Relationship, Adolescents
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Rowe, David C.; Osgood, D. Wayne – American Sociological Review, 1984
To demonstrate the value of behavioral genetic analysis for developing social theory, the origins of delinquent behavior were studied in 265 pairs of twins. Results show that causal sequences leading to delinquency are traceable to individual differences in genes. These findings, however, do not make sociological research irrelevant. (KH)
Descriptors: Behavioral Science Research, Delinquency Causes, Genetics, Heredity
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DeThorne, Laura Segebart; Hart, Sara A.; Petrill, Stephen A.; Deater-Deckard, Kirby; Thompson, Lee Anne; Schatschneider, Chris; Davison, Megan Dunn – Journal of Speech, Language, and Hearing Research, 2006
Purpose: This study examined (a) the extent of genetic and environmental influences on children's articulation and language difficulties and (b) the phenotypic associations between such difficulties and direct assessments of reading-related skills during early school-age years. Method: Behavioral genetic analyses focused on parent-report data…
Descriptors: Organizations (Groups), Articulation (Speech), Environmental Influences, Twins