Factors affecting production by the retarded: base rate.
D000293:Adolescent; D000328:Adult; D004526:Efficiency; D006801:Humans; D008607:Intellectual Disability / Q000534:rehabilitation*; D012050:Rehabilitation, Vocational; D012054:Reinforcement, Psychology; D012759:Sheltered Workshops; D013647:Task Performance and Analysis; D014937:Work