| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 890287 | Personality and Individual Differences | 2015 | 5 Pages |
Abstract
•Adopted children generally show IQ gains.•The correlation between subtest g loadings and adoption gains is examined.•A psychometric meta-analysis was carried out.•g loadings and adoption gains yield a correlation of −1.
When children are adopted into prosperous families they generally show IQ gains. The meta-analytic correlation between subtest g loadings and adoption gains is examined (K = 4, combined N = 3018). A number of meta-analytic corrections are applied to the estimate, yielding a correlation of −1. The results are discussed.
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Authors
Jan te Nijenhuis, Birthe Jongeneel-Grimen, Elijah L. Armstrong,