The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
159 Trials Found
north
North Rhine Westphalia (NRW)
North Rhine-Westphalia
North-Holland
, Wakiso, Mityana), East (Bugiri, Mbale, Jinja, Kaliro), North (Gulu, Lira, Arua)
North America
North Carolina, and additional sites
Meadle East and North Africa