Effects of social policy on the heritability of educational achievement.
D004493:Education; D004522:Educational Status; D004777:Environment; D005190:Family; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D007360:Intelligence; D008297:Male; D008957:Models, Genetic; D009664:Norway; D011247:Pregnancy; D011640:Public Policy; D012306:Risk; D011795:Surveys and Questionnaires; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic