Half of line has arrows or fins pointing outward. The remaining half has arrows or fins pointing inward. The first half looks longer than the second half. This is the ______________ illusion?
Correct answer: C. Muller-Lyer
- A. Zollner
- B. Wundt
- C. Muller-Lyer
- D. Poggendroff
Explanation
The Müller-Lyer illusion occurs when equal lines appear unequal because of inward- or outward-pointing arrowheads at their ends. The other named illusions involve different visual arrangements.
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