Gregory's misapplied size constancy scaling explanation of the Muller-Lyer illusion
A) has difficulty in explaining the "dumbbell" version of the illusion.
B) can easily explain three-dimensional versions of the illusion.
C) is incompatible with the size-distance scaling equation.
D) has been unchallenged as the only viable explanation of the illusion.

Question

Quizplus · Accepted Answer

Gregory's misapplied size constancy scaling explanation cannot explain the "dumbbell" version of the Muller-Lyer illusion because it does not account for the curvature of the lines in this version of the illusion.

Gregory's Misapplied Size Constancy Scaling Explanation of the Muller-Lyer Illusion