General intelligence is a source of individual differences between species: Solving an anomaly
- PMID: 29342677
- DOI: 10.1017/S0140525X16001825
General intelligence is a source of individual differences between species: Solving an anomaly
Abstract
Burkart et al. present a paradox - general factors of intelligence exist among individual differences (g) in performance in several species, and also at the aggregate level (G); however, there is ambiguous evidence for the existence of g when analyzing data using a mixed approach, that is, when comparing individuals of different species using the same cognitive ability battery. Here, we present an empirical solution to this paradox.
Comment in
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Future directions for studying the evolution of general intelligence.Behav Brain Sci. 2017 Jan;40:e224. doi: 10.1017/S0140525X17000024. Behav Brain Sci. 2017. PMID: 29342679
Comment on
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The evolution of general intelligence.Behav Brain Sci. 2017 Jan;40:e195. doi: 10.1017/S0140525X16000959. Epub 2016 Jul 28. Behav Brain Sci. 2017. PMID: 27464851
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