# \#p-value

**URL:** https://discourse.datamethods.org/tag/p-value/102.md

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## [Significance versus hypothesis testing](https://discourse.datamethods.org/t/significance-versus-hypothesis-testing/28638)

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**Author:** [@s\_doi](https://discourse.datamethods.org/u/s_doi)\
**Replies:** 13\
**Last updated:** [February 17, 2026, 9:39pm UTC](https://discourse.datamethods.org/t/significance-versus-hypothesis-testing/28638 "2026-02-17T21:39:26Z")

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We make a distinction between Fishers approach and the NP approach (Fix α (e.g., 0.05), control type I error, maximize power subject to that constraint). However after reading the arguments between Fisher and NP, I tend …

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## [A Statistician Reads JAMA](https://discourse.datamethods.org/t/a-statistician-reads-jama/28225)

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**Author:** [@R\_cubed](https://discourse.datamethods.org/u/R_cubed)\
**Replies:** 26\
**Last updated:** [July 8, 2025, 1:11pm UTC](https://discourse.datamethods.org/t/a-statistician-reads-jama/28225 "2025-07-08T13:11:46Z")

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Scott Berry examines a recent RCT that was controversial due to the adjustments for multiple tests, and likely resulted in a rejection of a potential beneficial treatment.

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## [Time for a change in language: statistical divergence and the 95% non-divergent interval (95%nDI)](https://discourse.datamethods.org/t/time-for-a-change-in-language-statistical-divergence-and-the-95-non-divergent-interval-95-ndi/15415)

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**Author:** [@s\_doi](https://discourse.datamethods.org/u/s_doi)\
**Replies:** 41\
**Last updated:** [May 2, 2025, 12:17pm UTC](https://discourse.datamethods.org/t/time-for-a-change-in-language-statistical-divergence-and-the-95-non-divergent-interval-95-ndi/15415 "2025-05-02T12:17:41Z")

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We are writing a position paper on the use of p values and confidence intervals on behalf of the M-CPHR RNG group (Methods in Clinical and Population Health Research - Research Network Group) and have come to the conclus…

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## [Bayesian vs. Frequentist Statements About Treatment Efficacy](https://discourse.datamethods.org/t/bayesian-vs-frequentist-statements-about-treatment-efficacy/5945)

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**Author:** [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Replies:** 5\
**Last updated:** [June 10, 2024, 3:34pm UTC](https://discourse.datamethods.org/t/bayesian-vs-frequentist-statements-about-treatment-efficacy/5945 "2024-06-10T15:34:52Z")

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This is a place for discussing Bayesian vs. Frequentist Statements About Treatment Efficacy. Archive These comments were made using disqus on an old blog platform. Most of them were made between 2017 and 2021. Ahmed:…

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## [Language for communicating frequentist results about treatment effects](https://discourse.datamethods.org/t/language-for-communicating-frequentist-results-about-treatment-effects/934)

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**Author:** [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Replies:** 200\
**Last updated:** [January 9, 2024, 11:32am UTC](https://discourse.datamethods.org/t/language-for-communicating-frequentist-results-about-treatment-effects/934 "2024-01-09T11:32:21Z")

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Correct interpretation of p \> 0.05: The current sample size did not yield sufficient evidence to reject, at the incredibly arbitrary 0.05 level, the supposition that the treatment does nothing, assuming data model M (de…

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## [Paper on European Radiology Experimental on statistical significance](https://discourse.datamethods.org/t/paper-on-european-radiology-experimental-on-statistical-significance/5298)

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**Author:** [@jafp](https://discourse.datamethods.org/u/jafp)\
**Replies:** 5\
**Last updated:** [May 23, 2022, 3:50pm UTC](https://discourse.datamethods.org/t/paper-on-european-radiology-experimental-on-statistical-significance/5298 "2022-05-23T15:50:05Z")

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Hello everyone, As a radiologist with interest in statistics, I have come upon this article on radiologists trying to write about why we should maintain the use of p-values citing for example that “clinical research nee…

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## [Relating S-values to other measures of statistical information](https://discourse.datamethods.org/t/relating-s-values-to-other-measures-of-statistical-information/4293)

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**Author:** [@R\_cubed](https://discourse.datamethods.org/u/R_cubed)\
**Replies:** 12\
**Last updated:** [April 13, 2022, 12:25am UTC](https://discourse.datamethods.org/t/relating-s-values-to-other-measures-of-statistical-information/4293 "2022-04-13T00:25:21Z")

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After reading this paper again: I wanted to share some R code I wrote to improve my intuition on how information measures relate to other common statistical quantities (ie Z-scores). # Converting among various measure…

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## [P values and Multiple Comparison Procedures: Some resources](https://discourse.datamethods.org/t/p-values-and-multiple-comparison-procedures-some-resources/5468)

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**Author:** [@R\_cubed](https://discourse.datamethods.org/u/R_cubed)\
**Replies:** 0\
**Last updated:** [April 10, 2022, 9:22pm UTC](https://discourse.datamethods.org/t/p-values-and-multiple-comparison-procedures-some-resources/5468 "2022-04-10T21:22:49Z")

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I discovered an interesting video from the NISS channel on Youtube related to the use of p values in decision making that might be of interest. Related Threads @Sander …

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## [Article: The p‐value statement, five years on by Robert Matthews](https://discourse.datamethods.org/t/article-the-p-value-statement-five-years-on-by-robert-matthews/4320)

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**Author:** [@R\_cubed](https://discourse.datamethods.org/u/R_cubed)\
**Replies:** 3\
**Last updated:** [November 16, 2021, 9:20pm UTC](https://discourse.datamethods.org/t/article-the-p-value-statement-five-years-on-by-robert-matthews/4320 "2021-11-16T21:20:07Z")

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Robert Matthews wrote a 5 year retrospective article published in late March on the ASA p-value statement. I understand it will be available as open access for 1 month. He is always worth reading. Matthews, R. (202…

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## [BBR Session 6: Two-sample Tests for Means](https://discourse.datamethods.org/t/bbr-session-6-two-sample-tests-for-means/2768)

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**Author:** [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Replies:** 14\
**Last updated:** [October 21, 2021, 2:19am UTC](https://discourse.datamethods.org/t/bbr-session-6-two-sample-tests-for-means/2768 "2021-10-21T02:19:11Z")

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This is a place for questions, answers, and discussion about session 6 of the Biostatistics for Biomedical Research airing 2019-12-06 and dealing with frequentist and Bayesian 2-sample t-tests and how not to present resu…

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## [Significance tests, p-values, and falsificationism](https://discourse.datamethods.org/t/significance-tests-p-values-and-falsificationism/4738)

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**Author:** [@PeterM](https://discourse.datamethods.org/u/PeterM)\
**Replies:** 100\
**Last updated:** [September 23, 2021, 9:06pm UTC](https://discourse.datamethods.org/t/significance-tests-p-values-and-falsificationism/4738 "2021-09-23T21:06:38Z")

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This thread takes its inspiration from the recent discussions in social science and statistics about significance tests, what they’re good for, whether p-values should be banned, and what all of that has to do with gener…

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## [How to replace p-value on Bayes statistics?](https://discourse.datamethods.org/t/how-to-replace-p-value-on-bayes-statistics/4630)

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**Author:** [@KirovDoc](https://discourse.datamethods.org/u/KirovDoc)\
**Replies:** 2\
**Last updated:** [July 27, 2021, 6:45am UTC](https://discourse.datamethods.org/t/how-to-replace-p-value-on-bayes-statistics/4630 "2021-07-27T06:45:49Z")

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You know some investigators want to cancel the p-value as a statistical parameter. And some of them suggest Bayes statistics. Can you show how it will work on a simple example? E.g. I want to compare the two groups. I ca…

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## [Interpretation of P value](https://discourse.datamethods.org/t/interpretation-of-p-value/3980)

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**Author:** [@EpiLearneR](https://discourse.datamethods.org/u/EpiLearneR)\
**Replies:** 4\
**Last updated:** [December 31, 2020, 9:03pm UTC](https://discourse.datamethods.org/t/interpretation-of-p-value/3980 "2020-12-31T21:03:01Z")

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Recently I came across someone asserting the following as the easy to comprehend intepretaiton of P values in an epidemilogy course. “If p= 0.90 \>\> 90% probability that, what we observed difference is due to chance If…

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## [Very small effect size wih significant p-value](https://discourse.datamethods.org/t/very-small-effect-size-wih-significant-p-value/3160)

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**Author:** [@mamaru\_ayenew](https://discourse.datamethods.org/u/mamaru_ayenew)\
**Replies:** 9\
**Last updated:** [April 5, 2020, 8:33am UTC](https://discourse.datamethods.org/t/very-small-effect-size-wih-significant-p-value/3160 "2020-04-05T08:33:11Z")

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I did a statistical analysis to see the effect of lifestyle factors (physical activity, dietary intake and other covariates) on longitudinal weight gain among women using linear mixed models. The data were collected at s…