Multiple Choice
What was Oskar Pfungst's evidence that Clever Hans was not doing math?
A) Hans's answers were only slightly more accurate than chance.
B) Hans guessed randomly when scientists were present.
C) Hans answered correctly only when his trainer, Mr. von Osten, was present.
D) Hans answered correctly only if the questioner knew the correct answer.
Correct Answer:
Verified
Correct Answer:
Verified
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