Willerman L, Horn J M, Loehlin J C
Behav Genet. 1977 Nov;7(6):465-70. doi: 10.1007/BF01066782.
Unrelated children reared together (N = 156) in 71 different families included in the Texas Adoption Project were compared for similarities on intelligence and achievement tests. The purpose was to see if a distinction between the two types of tests based on their heritabilities could be sustained. Results indicated no substantial differences in correlations for the two types of tests, and hence little or no support for the notion of an aptitude-achievement distinction based on differential heritabilities.
在德克萨斯收养项目中的71个不同家庭里共同抚养长大的无血缘关系儿童（N = 156），在智力和成就测试方面进行了相似性比较。目的是看看基于遗传力对这两种测试类型所做的区分是否能成立。结果表明，这两种测试类型在相关性上没有实质性差异，因此，几乎没有或根本没有证据支持基于不同遗传力的能力 - 成就区分这一概念。
