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Global behavioral variation: a test of differential-K
Ross University, School of Medicine, Picard Estate, Portsmouth, Dominica, West Indies.
Ross University, School of Medicine, Picard Estate, Portsmouth, Dominica, West Indies.
2012 (English)In: Personality and Individual Differences, ISSN 0191-8869, E-ISSN 1873-3549, Vol. 55, no 3, Special Issue, 273-278 p.Article in journal (Refereed) Published
Abstract [en]

Despite Rushton’s path-breaking work into evolutionary forces affecting life history traits, not many attempts at operationalizing the differential-K spectrum at the level of countries or racial groups have been made so far. We report the construction of a “national K” factor from country-level behavioral variables. This K factor is closely related to country-level intelligence (“g”), operationalized by a composite score of IQ and scholastic achievement. We further demonstrate relationships of both g and K with measures of current environment and hypothesized evolutionary antecedents. Whereas K is predicted most powerfully by intelligence, log-transformed GDP (lgGDP) and skin reflectance, g is predicted by skin reflectance, lgGDP, cranial capacity, and a measure of evolutionary novelty.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 55, no 3, Special Issue, 273-278 p.
Keyword [en]
Evolution; Differential-K; Life history; National g; National K
National Category
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-87430DOI: 10.1016/j.paid.2012.04.016ISI: 000320350600015OAI: oai:DiVA.org:umu-87430DiVA: diva2:709169
Note

Included in the special issue on The life history approach to human differences: J. Philippe Rushton in Memoriam.

Available from: 2014-03-31 Created: 2014-03-31 Last updated: 2017-12-05Bibliographically approved

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  • asciidoc
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