The fact that the corner of a building thrust toward the viewer looks shorter than an inside corner thrust away from the viewer can be accounted for by the
A)horizontal-vertical illusion.
B)Ponzo illusion.
C)Müller-Lyer illusion.
D)illusion of relative size.

Question

The fact that the corner of a building thrust toward the viewer looks shorter than an inside corner thrust away from the viewer can be accounted for by the ​
A)horizontal-vertical illusion.
B)Ponzo illusion.
C)Müller-Lyer illusion.
D)illusion of relative size.

Quizplus · Accepted Answer

The Müller-Lyer illusion explains this phenomenon, where lines of equal length appear different in length due to the orientation of the arrowheads at their ends. In the context of a building, the corner that thrusts toward the viewer is analogous to the part of the Müller-Lyer illusion where the line appears shorter due to the inward-facing arrowheads, while the inside corner thrust away resembles the part where the line looks longer because of the outward-facing arrowheads.

The Fact That the Corner of a Building Thrust Toward