Massive IQ gains in 14 nations¶
Flynn. (1987). Massive IQ gains in 14 nations: What IQ tests really measure.
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Domain-specific¶
- Flynn Effect
- The Flynn effect is the empirical finding that raw scores on standardised intelligence tests rose substantially and steadily across the 20 century in nearly every measured population — on the order of three IQ points per decade
This sourceFlynn's cross-national survey establishing that the rise is general rather than local, covering fourteen nations; the per-decade rate quoted here is better sourced to the later meta-analytic estimate of about 0.28 IQ points a year for full-scale IQ.
- The Flynn effect is the empirical finding that raw scores on standardised intelligence tests rose substantially and steadily across the 20 century in nearly every measured population — on the order of three IQ points per decade
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