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Thomas H. Kleppestø

@thomaskleppesto.bsky.social
52 followers 80 following 34 posts

Associate professor of psychology at NTNU. Father. Clinician. Interested in individual differences, evolution, and the growth of knowledge.

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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 15/05/2026
This suggest that the education–authoritarianism association is partly causal, but mostly reflects genetic and shared environmental confounding:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 15/05/2026
Educational attainment and RWA were substantially negatively correlated, r = −.46:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 15/05/2026
More educated people tend to be lower in Right-Wing Authoritarianism. But why? Causal effects of education are hard to distinguish from confounding by family environments and genes.
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 17/02/2026
We derive several predictions from the theory:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 17/02/2026
We have a new paper out in EHB proposing a theory on how human intelligence evolved, led by our talented philosopher-turned-psychology-PhD-candidate @jonathanegeland.bsky.social!
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 10/12/2025
Moreover, preferences don't always match what is available. For instance, women prefer men who are more agreeable than men tend to be, but men's agreeableness preferences match the average woman.
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 10/12/2025
Here are some sex-differentiated ridgeplots of self and ideal distributions at the facet level of the big five:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 10/12/2025
But both men and women want partners who are more emotionally stable than themselves. This was the largest gap in the study, the strongest “aspirational” effect (d = 1.46). The diagonal line here represents perfect alignment between self and ideal trait values:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 10/12/2025
We asked NTNU students to rate their own big five and political personality (social dominance orientation), as well as their ideal partner’s. People tend to prefer partners similar to themselves, especially on political personality:
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 10/12/2025
New paper out in Evolution & Human Behavior! Do people agree on what the ideal partner personality looks like, or is it just a reflection of their own traits? And do people care more about politics than the big five? www.sciencedirect.com/science/arti...
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Thomas H. Kleppestø @thomaskleppesto.bsky.social · 07/08/2025
Visualization:
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