Nikolai Haahjem Eftedal

9PUBLICATIONS
41CO-AUTHORS
Child and adolescent developmentTeacher and student wellbeingHealth psychologyMathematics and numeracy curriculum and pedagogyFamily and household studies
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Publications (9)

|Feb 18, 2026
Determinants of Parental Emotion Socialization Behaviors: Insights From a Large-Scale Population-Based Family Study.

Yvonne Severinsen, Eivind Ystrom, Nikolai Haahjem Eftedal

|Jan 31, 2026
The Relationship Between Educational Attainment and Right-Wing Authoritarianism: A Discordant Twin Study.

Nikolai Haahjem Eftedal, Thomas Haarklau Kleppestø, Nikolai Olavi Czajkowski

|Oct 16, 2025
The nature of the relation between mental well-being and ill-being.

Christian K Tamnes, Mona Bekkhus, Maja Eilertsen

|Jun 20, 2025
Beyond additive genetic effects: Explaining family resemblance in school performance across millions of pairs of Norwegian relatives.

Nikolai Haahjem Eftedal, Espen Moen Eilertsen, Hans Fredrik Sunde

|Dec 03, 2024
Non-random mating patterns within and across education and mental and somatic health.

Fartein Ask Torvik, Hans Fredrik Sunde, Rosa Cheesman

|May 29, 2024
Attachment and Political Personality are Heritable and Distinct Systems, and Both Share Genetics with Interpersonal Trust and Altruism.

Thomas Haarklau Kleppesto, Nikolai Olavi Czajkowski, Olav Vassend

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Frequent Collaborators

7 joint publications

Eivind Ystrom

5 joint publications

Espen Moen Eilertsen

4 joint publications

Hans Fredrik Sunde

3 joint publications

Fartein Ask Torvik