Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
SIZE CONSTANCY BY THE METHOD OF SINGLE STIMULI A METHODOLOGICAL STUDY
TAKEHIRO UENO
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1963 Volume 5 Issue 4 Pages 153-160

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Abstract

From the point of view of measurement models, size constancy of a single object was investigated by using three-dimensional familiar and unfamiliar objects. Two measurement models were applied to a stimulus series. One measurement model referred to perceived size and another assumed size. Presentation distance of the stimuli ranged from 1m to 5m apart from the O. The results are:(a) Constancy of assumed size was higher than that of perceived size.(b) Both assumed size and perceived size showed slightly a tendency to increase with increasing distance. The concept of size was discussed with the two measurement models.

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