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• 15:57, 21 July 2023 Seb talk contribs created page Heritability of IQ (Created page with "(will be reformatted/completed later) Twin studies[i] have found that the heritability[i] of IQ[i] is highly dependent on age, with the heritability of IQ gradually increasing from 30% in small children to 85% in adults. The influence of the shared environmental component is also age-dependent, with the variance explained in small children being about 40% and then gradually approaching 0 in adults. Heritability estimates for IQ do not appear to be method-dependent, that...")