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 ...

A small p-value often means the observed data effect is statistically significant. Set a significance level to compare with the p-value to validate investment hypotheses. Utilizing p-values in Excel ...

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?

The reliability and reproducibility of science are under scrutiny. However, a major cause of this lack of repeatability is not being considered: the wide sample-to-sample variability in the P value.

Geoff Cumming has received funding from the Australian Research Council. For researchers there’s a lot that turns on the p value, the number used to determine whether a result is statistically ...

Whether you rely on fundamental analysis or technical analysis to identify promising investments, it’s helpful to have a working knowledge of statistical terms. Not every investor will be competent to ...