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The genetic underpinnings of right‐wing authoritarianism and social dominance orientation explain political attitudes beyond Big Five personality.

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Title: The genetic underpinnings of right‐wing authoritarianism and social dominance orientation explain political attitudes beyond Big Five personality.
Authors: Kleppesto, Thomas Haarklau (AUTHOR), Czajkowski, Nikolai Olavi (AUTHOR), Sheehy‐Skeffington, Jennifer (AUTHOR), Vassend, Olav (AUTHOR), Roysamb, Espen (AUTHOR), Eftedal, Nikolai Haahjem (AUTHOR), Kunst, Jonas R. (AUTHOR), Ystrom, Eivind (AUTHOR), Thomsen, Lotte (AUTHOR)
Source: Journal of Personality. Dec2024, Vol. 92 Issue 6, p1744-1758. 15p.
Subjects: Political attitudes, Social attitudes, Personality, Behavior genetics, Political affiliation, Five-factor model of personality
Abstract: Objective: Political attitudes are predicted by the key ideological variables of right‐wing authoritarianism (RWA) and social dominance orientation (SDO), as well as some of the Big Five personality traits. Past research indicates that personality and ideological traits are correlated for genetic reasons. A question that has yet to be tested concerns whether the genetic variation underlying the ideological traits of RWA and SDO has distinct contributions to political attitudes, or if genetic variation in political attitudes is subsumed under the genetic variation underlying standard Big Five personality traits. Method: We use data from a sample of 1987 Norwegian twins to assess the genetic and environmental relationships between the Big Five personality traits, RWA, SDO, and their separate contributions to political policy attitudes. Results: RWA and SDO exhibit very high genetic correlation (r = 0.78) with each other and some genetic overlap with the personality traits of openness and agreeableness. Importantly, they share a larger genetic substrate with political attitudes (e.g., deporting an ethnic minority) than do Big Five personality traits, a relationship that persists even when controlling for the genetic foundations underlying personality traits. Conclusion: Our results suggest that the genetic foundations of ideological traits and political attitudes are largely non‐overlapping with the genetic foundations of Big Five personality traits. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Personality is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: The genetic underpinnings of right‐wing authoritarianism and social dominance orientation explain political attitudes beyond Big Five personality.
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  Data: <searchLink fieldCode="AR" term="%22Kleppesto%2C+Thomas+Haarklau%22">Kleppesto, Thomas Haarklau</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Czajkowski%2C+Nikolai+Olavi%22">Czajkowski, Nikolai Olavi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sheehy‐Skeffington%2C+Jennifer%22">Sheehy‐Skeffington, Jennifer</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vassend%2C+Olav%22">Vassend, Olav</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roysamb%2C+Espen%22">Roysamb, Espen</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eftedal%2C+Nikolai+Haahjem%22">Eftedal, Nikolai Haahjem</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kunst%2C+Jonas+R%2E%22">Kunst, Jonas R.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ystrom%2C+Eivind%22">Ystrom, Eivind</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Thomsen%2C+Lotte%22">Thomsen, Lotte</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Personality%22">Journal of Personality</searchLink>. Dec2024, Vol. 92 Issue 6, p1744-1758. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Political+attitudes%22">Political attitudes</searchLink><br /><searchLink fieldCode="DE" term="%22Social+attitudes%22">Social attitudes</searchLink><br /><searchLink fieldCode="DE" term="%22Personality%22">Personality</searchLink><br /><searchLink fieldCode="DE" term="%22Behavior+genetics%22">Behavior genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Political+affiliation%22">Political affiliation</searchLink><br /><searchLink fieldCode="DE" term="%22Five-factor+model+of+personality%22">Five-factor model of personality</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objective: Political attitudes are predicted by the key ideological variables of right‐wing authoritarianism (RWA) and social dominance orientation (SDO), as well as some of the Big Five personality traits. Past research indicates that personality and ideological traits are correlated for genetic reasons. A question that has yet to be tested concerns whether the genetic variation underlying the ideological traits of RWA and SDO has distinct contributions to political attitudes, or if genetic variation in political attitudes is subsumed under the genetic variation underlying standard Big Five personality traits. Method: We use data from a sample of 1987 Norwegian twins to assess the genetic and environmental relationships between the Big Five personality traits, RWA, SDO, and their separate contributions to political policy attitudes. Results: RWA and SDO exhibit very high genetic correlation (r = 0.78) with each other and some genetic overlap with the personality traits of openness and agreeableness. Importantly, they share a larger genetic substrate with political attitudes (e.g., deporting an ethnic minority) than do Big Five personality traits, a relationship that persists even when controlling for the genetic foundations underlying personality traits. Conclusion: Our results suggest that the genetic foundations of ideological traits and political attitudes are largely non‐overlapping with the genetic foundations of Big Five personality traits. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Personality is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jopy.12921
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        Text: English
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      – SubjectFull: Personality
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      – SubjectFull: Behavior genetics
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      – SubjectFull: Five-factor model of personality
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              M: 12
              Text: Dec2024
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