ISLE 7.12 Muller-Lyer IllusionClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.The Muller-Lyer illusion disappears when the angle formed by the main line and each of the smaller lines is 0 degrees. It also disappears when that angle is 180 degrees. These facts suggest the ______ that the illusion is greatest when the angle form by the main line and each of the smaller lines is ______ degrees.
A. hypothesis; 30
B. hypothesis; 45
C. theory; 30
D. theory; 45
Answer: B
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