A piece of paper looks white in both the noonday sun and under moonlight, even though there is less light being reflected off the paper under moonlight. This form of perceptual constancy is called __________
A) size constancy.
B) shape constancy.
C) brightness constancy.
D) color constancy.

Question

Quizplus · Accepted Answer

Brightness constancy refers to the ability of our perceptual system to maintain a consistent perception of the brightness of an object despite variations in lighting conditions. In this case, even though there is less light reflecting off the paper under moonlight, our perceptual system maintains a consistent perception of the paper's whiteness.

A Piece of Paper Looks White in Both the Noonday