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A bad definition of statistical significance from the U.S. Department of Health and Human Services, Effective Health Care Program

Andrew Gelman · published 21 July 2015

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Anthropic's statistical analysis skill doesn't get statistical significance quite right Read at the source ↗

7 Feb 2026

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https://errorstatistics.com/2015/07/17/statistical-significance-according-to-the-u-s-dept-of-health-and-human-services-i/

errorstatistics.com

https://effectivehealthcare.ahrq.gov/index.cfm/glossary-of-terms/?pageaction=showterm&termid=67

effectivehealthcare.ahrq.gov

https://effectivehealthcare.ahrq.gov/index.cfm/glossary-of-terms/?pageAction=showTerm&termID=53

effectivehealthcare.ahrq.gov

https://www.slate.com/articles/health_and_science/science/2013/07/statistics_and_psychology_multiple_comparisons_give_spurious_results.html

slate.com

https://www.stat.columbia.edu/~gelman/research/published/GelmanBasbollAmericanScientist.pdf

stat.columbia.edu

Elsewhere on statmodeling.stat.columbia.edu (1)

https://statmodeling.stat.columbia.edu/2009/12/30/healthcare_spen/

statmodeling.stat.columbia.edu