title: Social reinforcement effects on Block Design performance of organic and nonorganic retarded adults.
mesh_terms: D000328:Adult; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D007361:Intelligence Tests; D008297:Male; D008875:Middle Aged; D012056:Reinforcement, Social; D013223:Statistics as Topic; D013647:Task Performance and Analysis