Last month, the Abdul Latif Jameel Poverty Action Lab (J-PAL) held a free, five-day webinar series in place of their annual in-person Evaluating Social Programs Course. The interactive webinar sessions introduced participants to why and how randomized evaluations can be used to rigorously measure program impact. Lectures were guided by senior J-PAL staff with expertise in randomized evaluations as well as J-PAL affiliated researchers. Throughout the week, 1,918 attendees from 101 different countries participated in the webinar. While a majority of participants came from government, non-profit, and educational institutions, the…