What does a decade of attention to Choice Architecture in policy tell us about the effectiveness of interventions? Are some types of intervention more effective than others? Are choice architecture interventions more effective in some behavioural domains than others? In this blog the authors of a recent meta-analysis of the behavioural public policy literature covering past interventions reflect on their findings looking at the variations in effects and on publication bias in the choice architecture literature. They argue that regardless of absolute effect sizes, which need to be treated with some caution, the meta-analysis may be useful to guide policymakers in choices between types of interventions. … More Behaviour Change through Choice Architecture: Where do we stand?