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首页> 外文期刊>Journal of Clinical and Experimental Neuropsychology >Age-related IQ decline is reduced markedly after adjustment for the Flynn effect
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Age-related IQ decline is reduced markedly after adjustment for the Flynn effect

机译：调整弗林效应后，与年龄相关的智商下降显着降低

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摘要

Twenty-year-olds outperform 70-year-olds by as much as 2.3 standard deviations (35 IQ points) on subtests of the Wechsler Adult Intelligence Scale (WAIS). We show that most of the difference can be attributed to an intergenerational rise in IQ known as the Flynn effect. Normative data from different versions of the WAIS enabled us to estimate the degree to which the Flynn effect, rather than age-related decline, contributes to differences between 20- and 70-year-olds. The Flynn effect accounted for 38-67% of the apparent age-related decline on 6 of the 11 subtests. On the other 5 subtests, all of which are categorized as verbal, the Flynn effect was larger than the age-group difference. For these verbal subtests, the Flynn effect masked a modest increase in ability as individuals grow older. Overall, the Flynn effect accounted for at least 85% of the disparity between 20‐ and 70-year-olds.
机译：在Wechsler成人智力量表（WAIS）的子测试中，二十岁的孩子比70岁的孩子好2.3个标准差（35 IQ点）。我们表明，大多数差异可归因于智商的代际上升，称为弗林效应。来自不同版本WAIS的规范数据使我们能够估算出弗林效应（而不是与年龄相关的下降）对20岁至70岁之间差异的贡献程度。在11个子测试中的6个子测试中，弗林效应占明显的与年龄相关的下降的38-67％。在其他所有5个子测试中，所有这些子测试都被归类为语言测试，弗林效应大于年龄组差异。对于这些口语子测验，弗林效应掩盖了随着个体年龄的增长而适度增加的能力。总体而言，弗林效应至少占20岁至70岁之间差距的85％。

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