'Showing an improvement': an examination of variables central to the token economy system.
D000203:Activities of Daily Living; D000293:Adolescent; D001521:Behavior Therapy / Q000379:methods; D002648:Child; D005069:Evaluation Studies as Topic; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology / Q000628:therapy*; D008297:Male; D010371:Pediatric Nursing; D012919:Social Behavior; D014040:Token Economy