How to select your control variables?

https://doi.org/10.1093/esr/jcac078

Start your week well and read this paper just published on ESR.

And tell your PhD students to read it...

Control variable selection in applied quantitative sociology: a critical review

Abstract. A review of all research papers published in the European Sociological Review in 2016 and 2017 (N = 118) shows that only a minority of papers clearly

OUP Academic

@FabrizioBernardi I believe you select them based on the following criteria:
1) You brainstorm a list of famous articles in your area and find all of their controls
2) You add them to the model.
3) When reviewers tell you to add more variables, you do it.

Wait, is this how researchers *actually* select our control variables or how we *should* select them?