The Significant Problem of P Values

October 2019 article from Scientific American.

The p value plays into the human need for certainty and has led to the reproducibility crisis in may fields. Some researchers want to tweak the system of analysis, while others want to overhaul it.

“P values are regularly misinterpreted, and statistical significance is not the same thing as practical significance. Moreover, the methodological decisions required in any study make it possible for an experimenter, consciously or unconsciously, to shift a p value up or down.”