The General Factor of Personality and general intelligence: Testing hypotheses from Differential-K,Life History Theory,and strategic differentiation–integration effort |
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| Institution: | 1. Universidad San Ignacio de Loyola, Humanities Faculty, Av. La Fontana 550, La Molina, Lima 12, Peru;2. Ministerio de Educación, Measurement of Educational Quality Unit, Calle del Comercio 193, San Borja, Lima 41, Peru;1. Department of Psychology, Umeå University, Sweden;2. Center Leo Apostel, VUB, Belgium;3. Department of Psychology, Chemnitz University of Technology, Wilhelm-Raabe-Str. 43, D-09107 Chemnitz, Germany;4. Division of Sociology and Family Studies, Brescia University College at Western University, 1285 Western Road, London, Ontario N6G 1H2, Canada;5. Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK;6. Ulster Institute for Social Research, London, UK |
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| Abstract: | Life history as applied to human psychology has progressed on different levels of analysis including between racial groups (Differential-K) and between individuals (Life History Theory). While the approaches at each level have garnered significant research support, some findings at the level of individual differences are inconsistent with findings from the level of group differences. The association between the General Factor of Personality and general intelligence was examined across and within racial groups to investigate the inconsistency. The results were in line with predictions derived from strategic differentiation–integration effort (SD–IE), the proposition that aggregation amongst variables decreases as life history strategy slows. The results suggest SD–IE may be a useful tool in reconciling the apparent contradictions across the levels of analysis. |
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| Keywords: | Life History Theory Strategic differentiation–integration effort General Factor of Personality General intelligence |
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