If you hold a round plate in your hand and turn it from side to side, the image it casts on your retina changes. Yet you still perceive the plate to be round. This phenomenon can be explained by the principle of
A)brightness constancy.
B)shape constancy
C)size constancy.
D)retinal disparity.
E)binocular constancy.

Question

Quizplus · Accepted Answer

Shape constancy allows us to recognize objects as having a constant shape despite changes in the angle of view, distance, or lighting that alter the retinal image of the object. This principle explains why a round plate is perceived as round even when the image it casts on the retina changes as you turn it from side to side.

If You Hold a Round Plate in Your Hand and Turn