Separate Social Worlds of Siblings: The Impact of Nonshared Environment on Development
Eileen Mavis Hetherington, David Reiss, Robert Plomin
Psychology Press, 1994 - Psychology - 232 pages
One of the most notable findings in contemporary behavior genetics is that children growing up in the same family are not very comparable. Findings suggest that in order to understand individual differences between siblings it is necessary to examine not only the shared experiences but also the differences in experiences of children growing up in the same family. In the past decade a group of investigators has begun to examine the contributions of genetics, and both shared and nonshared environment to development. As with many new research endeavors, this has proven to be a difficult task with much controversy and disagreement not only about the most appropriate models and methods of analysis to be used, but also about the interpretation of findings.
Written by some of the foremost scholars working in the area on nonshared environment, the papers in this book present their perspectives, concerns, strategies and research findings dealing with the impact of nonshared environment on individual differences in the development of siblings. This volume will have heuristic value in stimulating researchers to think in new ways about the interactions between heredity, shared and nonshared environment and the challenges in identifying their contributions to sibling differences. These papers should raise new questions about how to examine the contributions of genetic and environmental factors to development, with consideration given to the findings of this study of sibling differences and nonshared environment. Further, these papers may encourage a growing trend to integrate genetic and environmental perspectives in studies of development.
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absolute difference scores adolescent adoption studies adoptive siblings adult analysis assessed assortative mating average behavioral genetic biological birth order blood pressure cardiovascular Child Behavior Child Development childhood cognitive conduct disorder Daniels depression developmental Developmental Psychology differential experiences differential treatment disorders Dunn DZ twins estimate example factors fathers friends friendship genetic influence goals heritability Hetherington & Clingempeel hostility important interaction interview lings Loehlin longitudinal marital maternal measures ment mothers MZ and DZ nonshared effects nonshared environment older siblings outcome parent-child parental behavior pattern peer group Plomin problem Psychiatry Psychology psychopathology quantitative genetic regression relative difference scores reports resemblance residual risk Robert Plomin sample scale scatterplot schizophrenia selection self-efficacy self-report shared environment shared environmental influence sibling differences sibling pairs sibling relationship similarity social competence stepfamilies strategies suggest suicide ideation temperament tion traits twin study variables variance variation within-family younger siblings