I agree with Dean Eckles that this study, “Effects of Political versus Expert Messaging on Vaccination Intentions of Trump Voters,” is too noisy to be useful. When will we reach the point where researchers can catch this sort of problem with their own designs, rather than just jumping in, gathering data, and inappropriately drawing conclusions from random patterns that happen to be “statistically significant” in the data?

Dean Eckles writes: I thought you might “like” this COVID-vaccine-related example of a case where one contrast is statistically significant (at p = .048) and another is not. So the authors make a big deal out of how one thing … Continue reading → …