Kane (2025) as a Power Paper

It’s helpful to think of statistical power as determined by the ratio , where is the treatment effect and SE is the standard error of the estimate. 1 1 Bloom (1995) has a really beautiful paper on this idea. It’s one of my favorites. I also have a preprint on the topic. I like this ratio because it makes two distinct tasks clear: create a treatment with some oomph and estimate it precisely. While…