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Psychologists have proposed several explanations for the phenomenon of size constancy. First, people learn the general size of objects through experience and use this knowledge to help judge size. For example, we know that insects are smaller than people and that people are smaller than elephants.
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www.sapdesignguild.org/resources/optical_illusions/intr...
www.sapdesignguild.org/resources/optical_illusions/intro_constancy.html
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Due to the information in your memory stores, you are still able to perceive the actual size of the airplane despite a change in the size of the retinal image. This concept is known as size constancy.
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academics.tjhsst.edu/psych/oldPsych/perception/size.htm...
academics.tjhsst.edu/psych/oldPsych/perception/size.html
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Size Constancy provides one possible explanation of the Moon Illusion ... So you make an adjustment for size constancy when looking at the football player, you do not make such an adjustment when looking at the pedestrians below.
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www.exo.net/~pauld/summer_institute/summer_day1percepti...
www.exo.net/~pauld/summer_institute/summer_day1perception/size_constancy.html
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Here, the background figure remains the same size (and same visual angle) as the foreground figure. Your visual system assumes that since both figures have the same visual angle, but are at differing distances, the one in the background must be larger.
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www.psy.dmu.ac.uk/mirrors/illusionworks/html/size_const...
www.psy.dmu.ac.uk/mirrors/illusionworks/html/size_constancy.html
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Size constancy is the tendency of objects to keep the same apparent size even as they approach us or move farther away. Why do we not think a car is shrinking when it drives away from us, even though the retinal image is shrinking?
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www.psywww.com/intropsych/ch04_senses/size_constancy.ht...
www.psywww.com/intropsych/ch04_senses/size_constancy.html
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(1992) found that observers underestimate the size of traffic lights across a wide range of viewing distances. The present study further investigated this failure of size constancy. Three groups of participants viewed a traffic light from distances of 20, 60, and 120 m, respectively.
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www.journalofvision.com/3/9/491/
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We expect runways to have the shape we're used to; larger runways look nearer, smaller runways look distant. ... We expect runways to have the same length: upsloping runways look shorter and seems close (we feel low), downsloping runways look longer than the one at home and we ... We expect runways to have the same width:
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amygdala.danlj.org/~danlj/AviationMedicine/SDO/txt019.h...
amygdala.danlj.org/~danlj/AviationMedicine/SDO/txt019.html
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Size constancy - Definition of Size constancy at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Size constancy. Look it up now! ... Shape constancy ... size effect...
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dictionary.reference.com/browse/size+constancy
dictionary.reference.com/browse/size+constancy
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Subjective constancy - Wikipedia, the free encyclopedia
Subjective constancy or perceptual constancy is the perception of an object or quality as constant under changing conditions. In vision this means perceiving a color as "constant under changing con...
en.wikipedia.org/wiki/Subjective_constancy
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