Ecology, perceptual development and the Müller-Lyer illusion.
D000367:Age Factors; D001288:Attention; D003431:Cross-Cultural Comparison; D004463:Ecology; D004777:Environment; D005006:Ethnicity; D006801:Humans; D007088:Illusions; D004930:Inuit; D009949:Orientation; D011336:Probability; D012807:Sierra Leone; D014796:Visual Perception