title: Increasing verbalization of chronic mental patients with operant techniques: partial replication.
mesh_terms: D001288:Attention; D001521:Behavior Therapy; D002908:Chronic Disease; D003216:Conditioning, Operant; D006801:Humans; D001523:Mental Disorders / Q000628:therapy*; D009043:Motor Activity; D009155:Mutism / Q000628:therapy*; D011618:Psychotic Disorders / Q000628:therapy; D014705:Verbal Behavior