MULTIVARIATE GENETIC-ANALYSIS OF SPECIFIC COGNITIVE-ABILITIES IN THE COLORADO ADOPTION PROJECT AT AGE 7

被引：41

作者：

CARDON, LR ^{[1
]}

FULKER, DW ^{[1
]}

DEFRIES, JC ^{[1
]}

PLOMIN, R ^{[1
]}

机构：

[1] PENN STATE UNIV,UNIV PK,PA 16802

来源：

INTELLIGENCE | 1992年 / 16卷 / 3-4期

关键词：

D O I：

10.1016/0160-2896(92)90016-K

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

A multivariate hierarchical model of specific cognitive abilities was fitted to data from 7-year-old adopted and nonadopted sibling pairs in the Colorado Adoption Project in order to assess differential genetic influence on specific mental abilities. Model fitting results and Schmid-Leiman (Schmid & Leiman, 1957) transformations reveal significant heritable variation for verbal, spatial, and memory factors independent of general cognitive ability for the eight ability tests examined. In contrast, environmental influences are primarily measure-specific. The results suggest genetic effects in middle childhood that differentially influence mental ability scores.

引用

页码：383 / 400

页数：18

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