To the degree that Political Science Twitter can blow up, it blew up this week with the controversy over a field experiment run by professors at Stanford and Dartmouth in Montana (For the latest in the debate, see John Patty ; for overview, Derek Willis in NYT ). I don’t have anything to add to the ethics in field experiments discussion, although I am sympathetic to the accused profs. (If you would like a totally ethical look at how information increases participation in races like these, see my MPSA paper from last year!) My concern with this episode is that it illustrates a problem with the literature on turnout studies. They’ve gotten too good. One only needs to look around at the mail parties send to voters to see that voter shaming ( like in Alaska ), and possibly intimidation, is alive and well. These are techniques that were first tested by field experiments. (Look, it even happened to me in 2012) The combination of these techniques and the robust field offi...