Age Changes in the Causes of Individual Differences in Conservatism
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Age-related changes are analyzed in the correlation of 3416 monozygotic and 3780 dizygotic U.S. twin pairs aged between 9 and 75+ years for conservatism scores derived from a 28-item social attitude inventory. The effects of the shared environment are overwhelming in twins aged 20 years or younger. In older twins, genetic effects appear to play a larger role. A more dynamic conception of the interaction between genes and environment in the development of complex human differences is needed.
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Volume 27, Issue 2 , pp 121-124
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- Kluwer Academic Publishers-Plenum Publishers
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- Social attitudes
- Author Affiliations
- 1. Department of Human Genetics, Virginia Commonwealth University, Richmond, Virginia, 23284
- 2. Department of Psychiatry, Virginia Commonwealth University, Richmond, Virginia, 23284
- 3. Queensland Institute for Medical Research, Brisbane, Australia
- 4. Department of Psychiatry, Washington University, St. Louis, Missouri, 63130
- 5. Department of Pediatrics, Virginia Commonwealth University, Virginia
- 6. Department of Psychiatry, Virginia Commonwealth University, Richmond, Virginia, 23284