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'''IQ''' or '''intelligence quotient''' is a measure of a person's ability | '''IQ''' or '''intelligence quotient''' is a measure of a person's ability. IQ is measured with tests that contain cognitive tasks that are chosen to be as unrelated to culture and prior experience as possible. | ||
It turns out that performance on different IQ tests correlates somewhat (r = ~0.5) which means each human has a certain amount of ''general intelligence'' that largely determines their ability to act intelligently in ''all'' cognitive task. | It turns out that performance on different IQ tests correlates somewhat (r = ~0.5) which means each human has a certain amount of ''general intelligence'' that largely determines their ability to act intelligently in ''all'' cognitive task. | ||
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Colloquially, "IQ" is used synonymously with high general intelligence. | Colloquially, "IQ" is used synonymously with high general intelligence. | ||
Even real-life cognitive tasks like school, work performance and | Even real-life cognitive tasks like school, work performance and social skills (but only declarative knowledge about social events, not the kind of gossipy socializing<ref>https://psychology.stackexchange.com/questions/9746/does-high-iq-correlate-with-good-social-skills</ref>) are just as much correlated with IQs, so IQ can tell us a lot about people's overall performance. It is an imperfect measure, but it allows to decide about extremes very reliably, e.g. a person with IQ less than 90 is very likely to fail in an academic math course. An entire battery of at least three tests is necessary to assess general intelligence accurately.<ref>https://www.telegraph.co.uk/news/science/science-news/9755929/IQ-tests-do-not-reflect-intelligence.html</ref> | ||
== References == | == References == | ||