title: Interaction of patient and attendant reinforcement programs: the "piggyback" effect.
mesh_terms: D000328:Adult; D001521:Behavior Therapy; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D001523:Mental Disorders / Q000628:therapy*; D008875:Middle Aged; D011369:Professional-Patient Relations; D011566:Psychiatric Aides; D012054:Reinforcement, Psychology; D012201:Reward; D012919:Social Behavior; D014937:Work