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Otolaryngol Head Neck Surg · Jun 2017
The P Value Problem in Otolaryngology: Shifting to Effect Sizes and Confidence Intervals.
- Peter M Vila, Melanie Elizabeth Townsend, Neel K Bhatt, W Katherine Kao, Parul Sinha, and J Gail Neely.
- 1 Writing Group, Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri, USA.
- Otolaryngol Head Neck Surg. 2017 Jun 1; 156 (6): 978-980.
AbstractThere is a lack of reporting effect sizes and confidence intervals in the current biomedical literature. The objective of this article is to present a discussion of the recent paradigm shift encouraging the use of reporting effect sizes and confidence intervals. Although P values help to inform us about whether an effect exists due to chance, effect sizes inform us about the magnitude of the effect (clinical significance), and confidence intervals inform us about the range of plausible estimates for the general population mean (precision). Reporting effect sizes and confidence intervals is a necessary addition to the biomedical literature, and these concepts are reviewed in this article.
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