The efficacy of special classes and regular classes in the education of educable mentally retarded children.
D000124:Achievement; D001741:Black or African American; D001007:Anxiety; D002648:Child; D003071:Cognition; D003479:Curriculum; D004495:Education of Persons with Intellectual Disabilities; D004519:Education, Special; D004521:Educational Measurement; D006801:Humans; D007361:Intelligence Tests; D007398:Interpersonal Relations; D007804:Language Development; D008433:Mathematics; D010379:Peer Group; D011932:Reading; D013663:Teaching