title: Language training for the severely retarded: five years of behavior analysis research.
mesh_terms: D000293:Adolescent; D001307:Auditory Perception; D001521:Behavior Therapy; D002648:Child; D002674:Child, Institutionalized; D003216:Conditioning, Operant; D004495:Education of Persons with Intellectual Disabilities; D005793:Generalization, Psychological; D006801:Humans; D007100:Imitative Behavior; D007360:Intelligence; D007804:Language Development; D008297:Male; D011678:Punishment; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D012107:Research Design; D014705:Verbal Behavior