Nikolai Haahjem Eftedal

Postdoctoral Fellow - Department of Psychology
Image of Nikolai Haahjem Eftedal
Norwegian version of this page
Phone +47 22855082
Room V03-06
Available hours By agreement
Visiting address Forskningsveien 3A Harald Schjelderups hus 0373 OSLO
Postal address Postboks 1094 Blindern 0317 OSLO
Other affiliations Faculty of Social Sciences (Student)

Academic interests

  • Motivated Reasoning

  • Moral Psychology

  • Ideological conflicts


2014 – Master in Cognitive Neuroscience, University of Oslo

2012 – Bachelor in Cognitive Psychology, University of Oslo

Tags: Social Psychology


  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; Eftedal, Nikolai Haahjem; Sheehy-Skeffington, Jennifer; Kunst, Jonas R. & Thomsen, Lotte (2019). Correlations between social dominance orientation and political attitudes reflect common genetic underpinnings. Proceedings of the National Academy of Sciences of the United States of America.  ISSN 0027-8424.  116(36), s 17741- 17746 . doi: 10.1073/pnas.1818711116 Full text in Research Archive.
  • Kleppestø, Thomas Haarklau; Eftedal, Nikolai Haahjem & Thomsen, Lotte (2019). Social Dominance Orientation(SDO), In Shackelford Todd K. & Viviana A. Weekes-Shackelford (ed.),  Encyclopedia of Evolutionary Psychological Science.  Springer International Publishing.  ISBN 9783319169996.  Encyclopedia of Evolutionary Psychological Science.
  • Prendergast, Claire Nicole; Eftedal, Nikolai Haahjem; Ikonomeas, Alexander Gustav Fredriksen; Brun, Aurora; Huth, Håkon & Bredesen, Marit (2019). The Norwegian version of the five factor narcissism inventory for vulnerable narcissism and the grandiose narcissism subscale of indifference: Psychometric properties of the long‐ and short‐form versions. Scandinavian Journal of Psychology.  ISSN 0036-5564.  60(5), s 492- 500 . doi: 10.1111/sjop.12569 Full text in Research Archive.

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  • Eftedal, Nikolai Haahjem; Kleppestø, Thomas Haarklau; Røysamb, Espen; Vassend, Olav; Ystrøm, Eivind & Thomsen, Lotte (2019). Moral opportunism: A unique genetic grounding associates lesser guilt from perpetrating injustice with greater sensitivity to being the victim of it..
  • Kleppestø, Thomas Haarklau; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; Eftedal, Nikolai Haahjem; Kunst, Jonas R.; Sheehy-Skeffington, Jennifer & Thomsen, Lotte (2019). Social dominance orientation has both genetic and unique environmental influences, but only genetic pleiotropy accounts for its correlation with political attitudes..

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Published Feb. 16, 2016 8:35 AM - Last modified Nov. 18, 2016 7:41 AM