title: The effects of a token reinforcement system on arithmetic achievement and short-term retention by educable mentally retarded students in a public school setting.
mesh_terms: D000293:Adolescent; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D008297:Male; D008433:Mathematics; D008570:Memory, Short-Term; D012055:Reinforcement Schedule; D012574:Schools