Rob Herbert does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

We agree that arbitrarily branding experimental findings as significant or non-significant generates a false sense of certainty (V. Amrhein et al. Nature 567, 305–307; 2019). However, when done ...

Calculations of power are presented for sequential procedures consisting of repeated significance tests. Binomial and normally distributed variables are considered ...