title: Utility of three behavioral indices for studying severely and profoundly retarded children.
mesh_terms: D000293:Adolescent; D002648:Child; D003937:Diagnosis, Differential; D005069:Evaluation Studies as Topic; D005260:Female; D006760:Hospitalization; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis* / Q000628:therapy; D007360:Intelligence; D008297:Male; D011581:Psychological Tests; D011594:Psychometrics; D012917:Social Adjustment; D012919:Social Behavior