Carlisle Rainey
Background on arguing for a negligible effect I remember sitting in a talk while I was a graduate student, and the speaker said something like: “I expect no effect here, and, just as I expected, the difference is not statistically significant.” Of course, that’s not a compelling argument for a...
Carlisle Rainey
A Paper This post turned out to be somewhat popular, so I’ve written up a more formal, careful description of the idea in a full-length paper. You can find the preprint “Power Rules” here. Background I’ve wrapped up the argument that you should pursue statistical power in your experiments....
Carlisle Rainey
Background When I give students formula for confidence intervals, I find that students don’t have a sharp concept of how those confidence intervals work—even if I explain the components of the formula well. Even though they understand—seemingly very well—that the point estimate is noisy, they...
Carlisle Rainey
A Paper This post turned out to be somewhat popular, so I’ve written up a more formal, careful description of the idea in a full-length paper. You can find the preprint “Power Rules” here. Background In this post, I address confidence intervals that are nestled right up against zero.1 These...