Visual Constancy during Movement. 1. Effects of S's Forward and Backward Movement on Size Constancy.

Abstract

-A novel method for estimating constancy is described, which is applied to the estimation of size constancy during motion of observers moved passively on a swing in darkness. Ss viewed a circle traced on an oscilloscope tube and arranged to shrink as S approached it and to expand as he moved away. The variation in size of the display was adjusted by E until it appeared of constant size to S during his movement. Constancy was greater during forward than backward movement.

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@article{Gregory1964VisualCD, title={Visual Constancy during Movement. 1. Effects of S's Forward and Backward Movement on Size Constancy.}, author={R. L. Gregory and Helen E. Ross}, journal={Perceptual and motor skills}, year={1964}, volume={18}, pages={3-8} }