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Statistics Done Wrong by Alex Reinhart

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Chapter 10. Everybody Makes Mistakes

Until now, I have presumed that scientists are capable of making statistical computations with perfect accuracy and err only in their choice of appropriate numbers to compute. Scientists may misuse the results of statistical tests or fail to make relevant computations, but they can at least calculate a p value, right?

Perhaps not.

Surveys of statistically significant results reported in medical and psychological trials suggest that many p values are wrong and some statistically insignificant results are actually significant when computed correctly.1,2 Even the prestigious journal Nature isn’t perfect, with roughly 38% of papers making typos and calculation errors in their p values.3 Other reviews find examples ...

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