Verbal ability drives the link between intelligence and ideology in two American community samples

Steven G. Ludeke, Stig H.R. Rasmussen, Colin G DeYoung

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Despite meta-analyses highlighting a nontrivial relation between intelligence and ideology, theoretical accounts of the origins of ideological differences often neglect these differences. Two potential contributors to this neglect are that (a) the true magnitude of the association may be understated by studies using imperfect cognitive ability measures, and (b) nuances on the general association between ideology and intelligence are underexplored, limiting our ability to select among several highly divergent accounts of this association. The present study uses two moderately large (Ns = 786 and 338) American community samples to explore two questions: (1) how does the link between ideology and ability differ between self-administered and more conventional ability tests, and (2) is this link common to all aspects of ability, or does it depend primarily on one domain. We found a clear dominant role for verbal rather than non-verbal ability, and support for the proposition that self-administered ability measures understate the intelligence-ideology link.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalIntelligence
Volume61
DOIs
StatePublished - Mar 1 2017

Keywords

  • Ideology
  • Intelligence
  • Self-administered ability tests
  • Verbal intelligence

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