The world's shortest IQ test is just three questions long and can tell if you're smarter than 80 percent of the population. Called the Cognitive Reflection Test (CRT), it has been around since 2005 ...

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In their 2021 New York Times bestseller Noise: A Flaw in Human Judgment, Daniel Kahneman, Olivier Sibony, and Cass R. Sunstein remark that “belief in ghosts, astrology, and extrasensory perception” is ...