If two objects make the same size image on the retina, but one is more distant than the other, the more distant object must be larger. This is formally known as
A)the size illusion.
B)the stroboscopic effect.
C)size constancy.
D)size-distance invariance.

Question

Quizplus · Accepted Answer

Size-distance invariance explains how an object can appear the same size to us even if it is at different distances, by taking into account that objects further away must be larger to produce the same size image on the retina as closer objects.

If Two Objects Make the Same Size Image on the Retina