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Small study proves showers work

 •  • by Paul Ingraham
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Weekly nuggets of pain science news and insight, usually 100-300 words, with the occasional longer post. The blog is the “director’s commentary” on the core content of PainScience.com: a library of major articles and books about common painful problems and popular treatments. See the blog archives or updates for the whole site.

Too often people smugly dismiss a study just because of small sample size, ignoring all other considerations, like effect size … a rookie move. For instance, you really do not need to test lots of showers to prove that they are an effective moistening procedure.

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