title: Facilitation of class inclusion among mentally retarded children.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002657:Child Development; D003071:Cognition; D003118:Color Perception; D003210:Concept Formation; D004495:Education of Persons with Intellectual Disabilities; D005556:Form Perception; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D011340:Problem Solving; D011582:Psychological Theory