'World's shortest IQ test' says a lot with three questions and just 17% pass it

MIT professor Shane Frederick's Cognitive Reflection Test is a three-question brain teaser with only a 17 per cent pass rate ...
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What cognitive tests can show — and what they can’t

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — It’s the new chant in ...