The dark history of the IQ test
This seemingly innocent evaluation sentenced people to their deaths
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How do you define and measure intelligence? The consensus seems to be that you can't, but the IQ test is the closest we've ever come. This general intelligence test had innocent origins in French schools, but it was later used to support discrimination, eugenics, and genocide. Click through the following gallery to learn how the test was used since its conception, and what modern day psychologists think of it now.
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