Table 1
Comparison of cognitive performance measures at ages 7 and 17 in biological and adopted (White, mixed-race, and Black) children, all reared in middle-class White families
Table 1
Comparison of cognitive performance measures at ages 7 and 17 in biological and adopted (White, mixed-race, and Black) children, all reared in middle-class White families
Biological parents | 120 | 115 | – | – | – |
Nonadopted, with two White biological parents (N at 7 = 143; N at 17 = 104) | 116 | 109 | 3.0 | 64 | 69 |
Adopted, with two White biological parents (N at 7 = 25; N at 17 = 16) | 112 | 106 | 2.8 | 54 | 59 |
Adopted, with one White and one Black biological parent (N at 7 = 68; N at 17 = 55) | 109 | 99 | 2.2 | 40 | 53 |
Adopted, with two Black biological parents (N at 7 = 29; N at 17 = 21) | 97 | 89 | 2.1 | 36 | 42 |
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