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Performance on different IQ tests, school grades and work performance all correlate somewhat (r = ~0.5) 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 to some extent is said to be ''g-loaded''. g is assessed by a battery of tests. It has been suggested at least three tests are necessary (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 and work performance all correlate somewhat (r = ~0.5) 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 to some extent is said to be ''g-loaded''. g is assessed by a battery of tests. It has been suggested at least three tests are necessary (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> | ||
More complex jobs are more g-loaded, so g | More complex jobs are more g-loaded, so g becomes more predictive of work performance the more complex it is.<ref>https://journals.sagepub.com/doi/10.1177/0013164498058002011</ref><ref>https://www.researchgate.net/profile/Chockalingam_vish_Viswesvaran/publication/319381272_A_Failed_Challenge_to_Validity_Generalization_Addressing_a_Fundamental_Misunderstanding_of_the_Nature_of_VG/links/5a3006d4458515a13d852c84/A-Failed-Challenge-to-Validity-Generalization-Addressing-a-Fundamental-Misunderstanding-of-the-Nature-of-VG.pdf</ref> | ||
This means IQ tests are relevant for can be used for screening. Even though IQ is an imperfect measure, it allows to very reliably decide for example that a person with IQ less than 90 is very likely to fail in an academic math course and that 115 is a minimum for achieving a graduate degree with satisfying grades.<ref>http://emilkirkegaard.dk/en/wp-content/uploads/Bias-in-Mental-Testing-Arthur-R.-Jensen.pdf</ref> | This means IQ tests are relevant for can be used for screening. Even though IQ is an imperfect measure, it allows to very reliably decide for example that a person with IQ less than 90 is very likely to fail in an academic math course and that 115 is a minimum for achieving a graduate degree with satisfying grades.<ref>http://emilkirkegaard.dk/en/wp-content/uploads/Bias-in-Mental-Testing-Arthur-R.-Jensen.pdf</ref> | ||
Even social skills are g-loaded (but only things like knowledge about social events, not so much the gossipy socializing aspect<ref>https://psychology.stackexchange.com/questions/9746/does-high-iq-correlate-with-good-social-skills</ref>). | Even social skills are g-loaded (but only things like knowledge about social events, not so much the gossipy socializing aspect<ref>https://psychology.stackexchange.com/questions/9746/does-high-iq-correlate-with-good-social-skills</ref>). | ||