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'''IQ''' or '''intelligence quotient''' is a measure of a person's cognitive ability. IQ is measured with tests that contain cognitive tasks that are very general | '''IQ''' or '''intelligence quotient''' is a measure of a person's cognitive ability. IQ is measured with tests that contain cognitive tasks that are very general and do not require specialization/schooling (common sense). It is assumed no training has taken place for the IQ test, but modern IQ tests are also fairly sturdy i.e. resist the training effects by only testing untrainable abilities such as processing speed, bandwidth and logic. | ||
Performance on different IQ tests, school grades, work performance and attained SES<ref>https://www.sciencedirect.com/science/article/pii/S0160289697900039</ref> all correlate somewhat (r = 0.5 to 0.6) which means IQ tests can predict ''general intelligence'', short ''g'', the ability to act intelligently in ''any'' cognitive task, even those tasks which haven't been tested. A task in which people's performance correlates with g and hence with all other IQ tests is said to be ''g-loaded''. It has been suggested a battery of at least three tests are necessary to accurately determine g (short-term memory, reasoning and verbal skills).<ref>https://www.telegraph.co.uk/news/science/science-news/9755929/IQ-tests-do-not-reflect-intelligence.html</ref> | Performance on different IQ tests, school grades, work performance and attained SES<ref>https://www.sciencedirect.com/science/article/pii/S0160289697900039</ref> all correlate somewhat (r = 0.5 to 0.6) which means IQ tests can predict ''general intelligence'', short ''g'', the ability to act intelligently in ''any'' cognitive task, even those tasks which haven't been tested. A task in which people's performance correlates with g and hence with all other IQ tests is said to be ''g-loaded''. It has been suggested a battery of at least three tests are necessary to accurately determine g (short-term memory, reasoning and verbal skills).<ref>https://www.telegraph.co.uk/news/science/science-news/9755929/IQ-tests-do-not-reflect-intelligence.html</ref> | ||