What Virtual Twins Reveal About General Intelligence and Other Behaviors.
نویسندگان
چکیده
The Fullerton Virtual Twin Study has been assessing the behaviors of an unusual sibship since 1982. Virtual twins (VTs) are same-age, unrelated siblings reared together since infancy. They replicate the rearing situation of twins but without the genetic link, enabling direct assessment of shared environmental effects on behavior. An updated analysis of IQ data, based on an increased sample of 142 VT pairs (7.87 years, SD=8.22), is presented. Intraclass correlations of .28 (IQ) and .11 (subtest profile) indicated modest shared environmental influences on intelligence. Findings from the Twins, Adoptees, Peers and Siblings (TAPS) project that studies virtual twins and other kinships are described.
منابع مشابه
Essays of an Information Scientist, Vol:7, p.397-404, 1984
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ورودعنوان ژورنال:
- Personality and individual differences
دوره 53 4 شماره
صفحات -
تاریخ انتشار 2012