title: Discrimination learning in mentally retarded and nonretarded children as a function of the number of relevant dimensions.
mesh_terms: D001076:Aptitude; D001288:Attention; D002648:Child; D003118:Color Perception; D003463:Cues; D003867:Depth Perception; D004193:Discrimination Learning; D005556:Form Perception; D006801:Humans; D008607:Intellectual Disability; D007360:Intelligence; D011336:Probability; D011594:Psychometrics; D012858:Size Perception; D013647:Task Performance and Analysis; D014796:Visual Perception