p value variability and subgroup testing

This article discusses the variability and randomness of p values, the most widely used currency of evidence in nutritional and health studies. One implication of this, the importance of always testing interaction terms when subgroups are examined and presented separately is also discussed. SUPPLEME...

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Detalles Bibliográficos
Autor principal: Horgan, Graham
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2021
Materias:
Short Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8572204/
https://www.ncbi.nlm.nih.gov/pubmed/33585951
http://dx.doi.org/10.1007/s00394-021-02498-z
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author Horgan, Graham
author_facet Horgan, Graham
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description This article discusses the variability and randomness of p values, the most widely used currency of evidence in nutritional and health studies. One implication of this, the importance of always testing interaction terms when subgroups are examined and presented separately is also discussed. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s00394-021-02498-z.
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spelling pubmed-85722042021-11-15 p value variability and subgroup testing Horgan, Graham Eur J Nutr Short Communication This article discusses the variability and randomness of p values, the most widely used currency of evidence in nutritional and health studies. One implication of this, the importance of always testing interaction terms when subgroups are examined and presented separately is also discussed. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s00394-021-02498-z. Springer Berlin Heidelberg 2021-02-13 2021 /pmc/articles/PMC8572204/ /pubmed/33585951 http://dx.doi.org/10.1007/s00394-021-02498-z Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Short Communication
Horgan, Graham
p value variability and subgroup testing
title p value variability and subgroup testing
title_full p value variability and subgroup testing
title_fullStr p value variability and subgroup testing
title_full_unstemmed p value variability and subgroup testing
title_short p value variability and subgroup testing
title_sort p value variability and subgroup testing
topic Short Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8572204/
https://www.ncbi.nlm.nih.gov/pubmed/33585951
http://dx.doi.org/10.1007/s00394-021-02498-z
work_keys_str_mv AT horgangraham pvaluevariabilityandsubgrouptesting

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