lundi 19 février 2018

Intelligence

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
Children’s backgroundAge 7 IQAge 17 IQAge 17 grade point averageAge 17 class rank (percentile)Age 17 school aptitude (percentile)a
Biological parents120115
Nonadopted, with two White biological parents (N at 7 = 143; N at 17 = 104)1161093.06469
Adopted, with two White biological parents (N at 7 = 25; N at 17 = 16)1121062.85459
Adopted, with one White and one Black biological parent (N at 7 = 68; N at 17 = 55)109992.24053
Adopted, with two Black biological parents (N at 7 = 29; N at 17 = 21)97892.13642

Aucun commentaire:

 
Paperblog