Randomized trial · 2015

Assessing the Robustness of Power Posing: No Effect on Hormones and Risk Tolerance in a Large Sample of Men and Women

E. Ranehill, A. Dreber, M. Johannesson, S. Leiberg, S. Sul, R. A. Weber. Psychological Science · N=200.

A larger sample found no effect of expansive posture on testosterone, cortisol, or risk-taking. The hormone and risk claims from 2010 do not survive this test.

Open source doi:10.1177/0956797614553946 PMID 25810452

Edges that cite this paper

Two minutes in a stance does not identify an androgen change. The larger RCT is a null. The TED talk is not a protocol.
Expansive posture is not a Holt–Laury intervention. The 2010 risk result did not replicate.

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What Causes What. “Assessing the Robustness of Power Posing: No Effect on Hormones and Risk Tolerance in a Large Sample of Men and Women.” https://whatcauseswhat.org/papers/p-ranehill-2015 (atlas updated 2026-08-31).

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