Why you shouldn’t control for post-treatment variables in your regression

This is a slight variation of a theme, I was already blogging about some time ago. But I recently had a discussion with a colleague and thought it would be worthwhile to share my notes here. So what might go wrong if you control for post-treatment variables in your statistical model? Continue reading Why you shouldn’t control for post-treatment variables in your regression

Nonlinear Mediation Analysis

This is a fair copy of a recent Twitter thread of mine. I thought it might be interesting to develop my arguments in a bit more detail and preserve them for later use.

Continue reading Nonlinear Mediation Analysis