Isn't your second paragraph just a definition of a false positive? And, it looks like power is the error rate for false negatives: https://en.m.wikipedia.org/

Isn't your second paragraph just a definition of a false positive? And, it looks like power is the error rate for false negatives: https://en.m.wikipedia.org/wiki/Statistical_power https://en.m.wikipedia.org/wiki/Statistical_power Too late to edit my original to fix this.