A new study, published in the Proceedings of the National Academy of Sciences, argues that ‘wolf attacks predict far-right voting’ – at least in Germany. The findings are statistically significant, the effect sizes are (too?) large, and there is even a pre-registration of the study. Yet, I see a few red flags (in addition to […]
Tag: PNAS
How effective is nudging? #2
In a new study, Mertens et al. (2022) examine the effectiveness of nudging. Specifically, they conduct a meta-analysis of 455 effect sizes from 214 publications. Here is the key finding presented in the abstract: “Our results show that choice architecture interventions overall promote behavior change with a small to medium effect size of Cohen’s d […]