THE ROLE OF SOCIAL CLASS IN LANGUAGE DEVELOPMENT AND COGNITION.
D044383:Black People; D002648:Child; D003071:Cognition; D003210:Concept Formation; D004493:Education; D006801:Humans; D007802:Language; D007804:Language Development; D011581:Psychological Tests; D012923:Social Class; D012924:Social Conditions; D012961:Sociology; D014706:Verbal Learning
CHILD; CONCEPT FORMATION; EDUCATION; LANGUAGE; NEGROES; PSYCHOLOGICAL TESTS; SOCIAL CONDITIONS; SOCIOLOGY; VERBAL LEARNING