A typical empirical study involves choosing a sample, a research design, and an analysis path. Variation in such choices across studies leads to heterogeneity in results that introduce an additional layer of uncertainty not accounted for in reported standard errors and condence intervals. We...

Henkel et al. (2023) investigate the relationship between identification with one's vaccination status against COVID-19 and various measures of societal polarization. They find that vaccination status identification (VSI) moderates the relationship between vaccination status and (1) perception...