title: A comparison of self-and external reinforcement with the trainable mentally retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D001521:Behavior Therapy; D002648:Child; D005793:Generalization, Psychological; D006801:Humans; D008607:Intellectual Disability / Q000534:rehabilitation*; D008875:Middle Aged; D012054:Reinforcement, Psychology; D012057:Reinforcement, Verbal; D012647:Self-Assessment