title: Social deprivation and the performance of retarded and nonretarded subjects on the rectilinear dot progression task.
mesh_terms: D000293:Adolescent; D002648:Child; D006760:Hospitalization; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D009042:Motivation; D011336:Probability; D011340:Problem Solving; D011581:Psychological Tests; D012056:Reinforcement, Social; D012057:Reinforcement, Verbal; D012923:Social Class; D012934:Social Isolation; D012959:Socioeconomic Factors; D014705:Verbal Behavior; D014796:Visual Perception