The 'Statement on Statistical Significance and P-Values' includes six principles underlying the proper use and interpretation of the p-value and is intended to improve the conduct and interpretation ...

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The increasing concern about the role of p values in science has gone from a murmur to a loudly expressed concern. Is this just an insider's argument or is it a matter we should take seriously?

Clinical trials rely on statistics to show whether drugs are more effective than placebo pills. But how can we be certain? Semmick Photo/Shutterstock How should scientists interpret their data?