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Talk:IQ: Difference between revisions
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Blaha & Wallbrown (1982) found: | Blaha & Wallbrown (1982) found: | ||
"the g factor accounts for 47% of the total WAIS-R subtest variance in the nine age groups included in the | "the g factor accounts for 47% of the total WAIS-R subtest variance in the nine age groups included in the standardization sample, thus indicating a strong dimension of individual difference." | ||
( | (https://psycnet.apa.org/record/1983-00122-001) | ||
The majority of the variance that is robust across tasks and not attributable to measurement error or test specific ability is attributable to g, yes, but it is only theoretically possible to get a perfectly g-loaded test that does not take into account specialized abilities. Therefore, ''g'' is not a complete measure of 'the ability to perform well on any IQ test'; (as a significant amount of the score on any individual test is not determined by g). It is more accurately the ability to perform well at any cognitive task that is g-loaded, which is pretty much all of them to some extent. It is the primary source of individual variance in these diverse tasks on a group level, and this is already clearly stated in the lede. | The majority of the variance that is robust across tasks and not attributable to measurement error or test specific ability is attributable to g, yes, but it is only theoretically possible to get a perfectly g-loaded test that does not take into account specialized abilities. Therefore, ''g'' is not a complete measure of 'the ability to perform well on any IQ test'; (as a significant amount of the score on any individual test is not determined by g). It is more accurately the ability to perform well at any cognitive task that is g-loaded, which is pretty much all of them to some extent. It is the primary source of individual variance in these diverse tasks on a group level, and this is already clearly stated in the lede. | ||