This commentary reflects on the misleading amalgamation of behaviour genetics findings on the aetiology of individual differences in intelligence and speculations about the causes of international mean differences in intelligence at the group level. It questions the scientific value of mapping or ranking national mean IQs given that the vast majority of the variation lies on the individual level. Copyright © 2007 John Wiley & Sons, Ltd.
CITATION STYLE
Spinath, F. M. (2007, August). International g: Mixed feelings and mixed messages. European Journal of Personality. https://doi.org/10.1002/per.648
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