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
Descripción
Sumario: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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