Which of the following principles does the Ponzo illusion use to achieve its effect?
A) perceptual grouping
B) figure ground relationships
C) linear perspective
D) selective attention

Question

Quizplus · Accepted Answer

The Ponzo illusion uses linear perspective to create the impression that the top line is longer than the bottom line. The converging lines in the background trick the brain into interpreting the top line as being farther away, and therefore appearing longer, than the bottom line. The other principles listed (perceptual grouping, figure-ground relationships, selective attention) are not directly relevant to this illusion.

Which of the Following Principles Does the Ponzo Illusion Use