title: Control of aggressive behavior in a group of retardates using positive and negative reinforcement procedures.
mesh_terms: D000293:Adolescent; D000374:Aggression; D001521:Behavior Therapy; D002648:Child; D005108:Extinction, Psychological; D006126:Group Processes; D006801:Humans; D008607:Intellectual Disability / Q000628:therapy*; D008297:Male; D012054:Reinforcement, Psychology