Family structure and educational achievement.
D000124:Achievement; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003267:Contraception; D005190:Family; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D008297:Male; D010287:Parent-Child Relations; D012923:Social Class; D012951:Socialization