The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
209 Trials Found
German-speaking Cantons
North-Holland
North Rhine-Westphalia
Alagoas's state
, Wakiso, Mityana), East (Bugiri, Mbale, Jinja, Kaliro), North (Gulu, Lira, Arua)
Washington State
North America
North Carolina, and additional sites
Adamawa State