Personality Scales

Parental Overvaluation Scale

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Single Item Narcissism Scale (SINS)

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Press release

PLOS ONE article


Washington Post

LA Times


USA Today

Fox News

CBS News

Fast Company (FC)

NY Magazine “Science of Us” video (1:55) > 500,000 views

The SINS is also available in Turkish:
Özsoy, E., Rauthmann, J.F., Jonason, P.K., & Ardıç, K. (2017). Reliability and validity of the Turkish versions of Dark Triad Dirty Dozen (DTDD-T), Short Dark Triad (SD3-T), and Single Item Narcissism Scale (SINS-T). Personality and Individual Differences, 117, 11-14. DOI: 10.1016/j.paid.2017.05.019