Path analysis under generalized assortative mating: II. American I.Q.
- 14 April 1982
- journal article
- research article
- Published by Hindawi Limited in Genetics Research
- Vol. 39 (2), 187-198
- https://doi.org/10.1017/s0016672300020875
Abstract
Summary Rice, Cloninger & Reich (1980) showed that correlational data on American I.Q. is consistent with a rather low genetic heritability. Here we confirm their general results with a more parsimonious model. From phenotypic data alone, the estimates of genetic and cultural heritability are 0·31 and 0·42, respectively. Using environmental indices, the parsimonious estimates become 0·34 and 0·26, respectively.Keywords
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