The different effects of monocular and binocular vision in a distorted-room illusion suggest both an interaction between apparatus and vision and a significant main effect for monocular/binocular vision, with monocular viewing resulting in a greater illusion than did binocular viewing.
References
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GehringerW. L.EngelE. (1986) Effect of ecological viewing conditions on the Ames Distorted Room illusion. Journal of Experimental Psychology: Human Perception and Performace, 12, 181–185.
