If you hold your hand in front of you at arm's length,you recognize it as your hand.If you slowly move your hand in toward your face,the image of your hand covers a larger portion of your retina,however,you do not tend to think that your hand has suddenly begun to grow.Which of the following explains this?
A) colour constancy
B) Ponzo illusion
C) Muller-Lyer illusion
D) size constancy

Question

Quizplus · Accepted Answer

Size constancy refers to our ability to perceive objects as the same size despite changes in their size on the retina due to changes in distance. In this situation, as the hand moves in towards the face, it covers a larger portion of the retina, but we still perceive the hand as the same size due to size constancy.

If You Hold Your Hand in Front of You at Arm's