title: A developmental study of size constancy for two-versus three-dimensional stimuli.
mesh_terms: D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003463:Cues; D003867:Depth Perception; D005260:Female; D006801:Humans; D008297:Male; D012054:Reinforcement, Psychology; D012858:Size Perception