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Development and Validation of the Single Item Narcissism Scale (SINS)

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  • Sara Konrath
  • Brian P Meier
  • Brad J Bushman

Abstract

Main Objectives: The narcissistic personality is characterized by grandiosity, entitlement, and low empathy. This paper describes the development and validation of the Single Item Narcissism Scale (SINS). Although the use of longer instruments is superior in most circumstances, we recommend the SINS in some circumstances (e.g. under serious time constraints, online studies). Methods: In 11 independent studies (total N = 2,250), we demonstrate the SINS' psychometric properties. Results: The SINS is significantly correlated with longer narcissism scales, but uncorrelated with self-esteem. It also has high test-retest reliability. We validate the SINS in a variety of samples (e.g., undergraduates, nationally representative adults), intrapersonal correlates (e.g., positive affect, depression), and interpersonal correlates (e.g., aggression, relationship quality, prosocial behavior). The SINS taps into the more fragile and less desirable components of narcissism. Significance: The SINS can be a useful tool for researchers, especially when it is important to measure narcissism with constraints preventing the use of longer measures.

Suggested Citation

  • Sara Konrath & Brian P Meier & Brad J Bushman, 2014. "Development and Validation of the Single Item Narcissism Scale (SINS)," PLOS ONE, Public Library of Science, vol. 9(8), pages 1-15, August.
    • Handle: RePEc:plo:pone00:0103469
    DOI: 10.1371/journal.pone.0103469
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    12. Antonín PavlÃ­Ä ek & Aneta BobeniÄ HintoÅ¡ová & FrantiÅ¡ek Sudzina, 2021. "Impact of Personality Traits and Demographic Factors on Risk Attitude," SAGE Open, , vol. 11(4), pages 21582440211, December.
    13. Luka Koning & Marianne Junger & Joris Hoof, 2020. "Digital signatures: a tool to prevent and predict dishonesty?," Mind & Society: Cognitive Studies in Economics and Social Sciences, Springer;Fondazione Rosselli, vol. 19(2), pages 257-285, November.
    14. Thomas Buser & Leonie Gerhards & Joël Weele, 2018. "Responsiveness to feedback as a personal trait," Journal of Risk and Uncertainty, Springer, vol. 56(2), pages 165-192, April.
    15. Antonín Pavlíček & František Sudzina, 2020. "Intergroup Comparison of Personalities in the Preferred Pricing of Public Transport in Rush Hours: Data Revisited," Sustainability, MDPI, vol. 12(12), pages 1-9, June.

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