55 Quotes About Iq

  • Author Wikipedia: Heritability of IQ
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    Twin studies of adult individuals have found a heritability of IQ between 57% and 73%[6] with the most recent studies showing heritability for IQ as high as 80%.[7] IQ goes from being weakly correlated with genetics, for children, to being strongly correlated with genetics for late teens and adults. The heritability of IQ increases with age and reaches an asymptote at 18–20 years of age and continues at that level well into adulthood. This phenomenon is known as the Wilson Effect

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  • Author Christopher Hitchens
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    There is, and there always has been, an unusually high and consistent correlation between the stupidity of a given person and that person’s propensity to be impressed by the measurement of I.Q.

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  • Author Thomas Sowell
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    If one chooses to call tests that require the mastery of abstractions culturally biased, because some cultures put more emphasis on abstractions than others, that raises fundamental questions about what the tests are for. In a world where the ability to master abstractions is fundamental to mathematics, science and other endeavors, the measurement of that ability is not an arbitrary bias. A culture-free test might be appropriate in a culture-free society—but there are no such societies.

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