IQ and the Wealth of Nations
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IQ and the Wealth of Nations is a 2002 book by psychologist Richard Lynn and political scientist Tatu Vanhanen. The authors argue that differences in national income are correlated with differences in
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Flynn effect
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The Flynn effect is the substantial and long-sustained increase in both fluid and crystallized intelligence test scores that were measured in many parts of the world over the 20th century, named after
IQ and the Wealth of Nations
…This is because ethnic background is assumed to be more important than proximity to other nations when determining national IQ. To account for the Flynn effect (an increase in IQ scores over time), the authors adjusted the results of older studies upward by a number of points. In several cases the actual GDP…
Jim Flynn U of Otago