In a blog adapted from Samantha Power’s keynote address at the launch of UN Behavioral Sciences Week 2021, the USAID Administrator describes how behavioral insights are impacting international development and argues that behavioral science should play a greater role as organizations like USAID develop their programming. To make progress, she says, policymakers have to understand human behavior, not on the basis of intuitions, but using new findings and concrete data. We must learn how the people we hope to serve act (or do not act) in response to everyday challenges. And rather than making assumptions or applying what works in one culture to another, we need to gather evidence and data from the specific communities in which we serve … More Making a Difference: Behavioral Insights and Public Policy