Primed by expectations – why a classic psychology experiment isn’t what it seemed | Not Exactly Rocket Science

In the early 20th century,the world was captivated by a mathematical horse called Clever Hans.He could apparently perform basic arithmetic,keep track of a calendar and tell the time.When his owner,Wilhelm von Osten,asked him a question,Hans would answer by tapping out the correct number with his roof.

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Primed by expectations – why a classic psychology experiment isn’t what it seemed | Not Exactly Rocket Science