title: The ability for dimensional analysis in preschool and retarded children: evidence from comparison, conservation, and prediction tasks.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003118:Color Perception; D003210:Concept Formation; D003867:Depth Perception; D004193:Discrimination Learning; D004314:Down Syndrome / Q000523:psychology; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology*; D008297:Male; D012858:Size Perception; D014796:Visual Perception