title: The social validation of programs for mentally retarded children.
mesh_terms: D000293:Adolescent; D000328:Adult; D000374:Aggression / Q000523:psychology; D001519:Behavior; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology; D010379:Peer Group; D012653:Self Stimulation