Effects of distance and stimulus position on perceptual comparison at five age levels.
D000367:Age Factors; D000375:Aging; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D004215:Distance Perception; D005556:Form Perception; D006801:Humans; D007600:Judgment; D009949:Orientation; D011582:Psychological Theory; D012858:Size Perception