IQ tests

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IQ Measures Not Just Brains, But Also Culture

Smarts index is rising because the world's more 'demanding'

(Newser) - The average global IQ is rising three points per decade not because humans are getting smarter, but because culture is getting more challenging—and the measure isn’t just a test of our smarts genes. The quotient effectively tests “the quality of the world [a] person lives in,”...

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