Research Insights: Can Informational Nudges Increase Compliance with COVID-19 Measures?

Nudges boosted concern about COVID-19 but had limited effects on either recent compliance or intended future compliance with recommendations from nonpharmaceutical interventions (NPIs). These null results were probably due to participants high baseline levels of information about and compliance with NPIsan informational diminishing returns scenario that is likely to be increasingly common globally. Nudges increased recent compliance among participants who were politically left-wing, were relatively poor, and lived with more people.