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Why quantitative understanding of effect sizes matters, even if all you care about is the presence of the effect

Andrew Gelman · published 1 August 2026

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First cited: 7 Aug 2026
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dynamicecology.wordpress.com

Jeremy decided normal Friday linkfests would not cut it Read at the source ↗

7 Aug 2026

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https://goodauthority.org/news/pushing-at-an-open-door-when-can-personal-stories-change-minds-on-gay-rights/

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https://sites.stat.columbia.edu/gelman/research/unpublished/hypothesizing_effect_size.pdf

sites.stat.columbia.edu

https://web.archive.org/web/20260629132723/https://slate.com/technology/2013/07/statistics-and-psychology-multiple-comparisons-give-spurious-results.html

web.archive.org

https://sites.stat.columbia.edu/gelman/research/published/power_surgery_new_response.pdf

sites.stat.columbia.edu