You are standing outside with a friend as an airplane flies over your head. You watch as the plane appears to get smaller and smaller and is eventually gone from your visual field. Which aspect of perceptual constancy allows you to understand that the airplane is not shrinking?
A) shape constancy
B) size constancy
C) convergence constancy
D) color constancy

Question

Quizplus · Accepted Answer

Size constancy allows us to understand that the size of an object is constant, despite changes in its distance from us. In this case, the airplane appears to be getting smaller as it moves farther away from us, but we still understand that its actual size has not changed.

You Are Standing Outside with a Friend as an Airplane