title: Behavior modification in the mentally retarded. Application of operant conditioning principles.
mesh_terms: D001362:Avoidance Learning; D001521:Behavior Therapy; D002675:Child, Preschool; D003216:Conditioning, Operant; D004192:Discrimination, Psychological; D005247:Feeding Behavior; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D008124:Locomotion; D010465:Perception; D012054:Reinforcement, Psychology; D012652:Self Mutilation; D013060:Speech; D014039:Toilet Training