Under unrestricted binocular conditions, up to 120 ft., size judgments were found to conform to the principle of size constancy (Holway & Boring, 1941). Under similar conditions, but with the stimulus displayed against the zenith sky, size judgments departed from size constancy as distance was increased and moved toward visual angle.
Get full access to this article
View all access options for this article.
References
1.
HolwayA. H.BoringE. G.Determinants of apparent visual size with distance variant. Amer. J. Psychol., 1941, 51, 21–37.
2.
RockI.KaufmanL.The moon illusion: II. Science, 1962, 136, 1023–1031.
