Results 281 to 290 of about 1,596,676 (294)

Visual perception of changing size: The effect of object size

Vision Research, 1979
Abstract Since marked threshold elevations specific to changing size were produced by rectangular stimuli whose widths were less than 1.5°, but not by wider rectangles we suggest that changing size filters are not sensitive to pairs of edges separated by more than about 1.5°.
David Regan, K. I. Beverley
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Visual Perception of Portion Size

Ecology of Food and Nutrition, 2008
Three studies were made in which chips (French fries) of different thickness and peas of different sizes were used. In each study, subjects were asked to serve the food in an attempt to match a standard amount of food placed on the table. Subjects served significantly (P < 0.001) smaller amounts of thin chips compared to thick chips, whether the ...
G. Moalosi, L. Duncan, A. Wise, I. Arregui-Fresneda   +3 more
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Visual Perception of Portion Size

Journal of Culinary Science & Technology, 2010
People overestimate thick and underestimate thin chipped potatoes when judging by eye. Three possible causes of this misperception have been tested by questionnaire in this study: the greater number of pieces of thin chips may suggest that there is a greater amount or they might match the height of the mound or the plate coverage. Subjects plated three
C. Ramsay, A. Wise
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Size-distance perception in preschool children

Journal of Experimental Child Psychology, 1979
Abstract Children between three and six years of age matched the “apparent” and “real” size of familiar and unfamiliar objects 3, 6, or 9 feet away. Prior to the experimental sessions, the children were divided into two groups: (a) those who could distinguish the phenomenal from the real sizes of the arcs in the Jastrow illusion (the “Realists”) and (
Edward Z. Tronick, Maurice Hershenson
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Self body-size perception in an insect

Naturwissenschaften, 2013
Animals negotiating complex environments encounter a wide range of obstacles of different shapes and sizes. It is greatly beneficial for the animal to react to such obstacles in a precise, context-specific manner, in order to avoid harm or even simply to minimize energy expenditure.
Moshe Guershon, Amir Ben-Nun, Amir Ayali
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Past Experience and the Perception of Visual Size

The American Journal of Psychology, 1952
Few controversies in the history of psychology have endured so long as the one between nativism and empiricism regarding the perception of visual space. While points of emphasis have shifted and descriptive terms have changed, modern perceptual theories are still divided between the nativistic and the empiricist points of view.
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Effect of Preference on Perception of Size

Perceptual and Motor Skills, 1959
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Perception of food size in the chimpanzee.

Journal of Comparative and Physiological Psychology, 1961
W Emil, Jr. Menzel
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Size Perception

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On Size-Perception in the Absence of Cues for Distance

The American Journal of Psychology, 1960
Hans Wallach, Virgil V. McKenna
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