Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 529-536 of 1219
Man feed ballot into ballot box while volunteers help voters in background

Radio Public Service Announcements and Voter Participation Among Native Americans in the United States

Donald Green
Eline A de Rooij

Can media campaigns increase voter turnout among those underrepresented in the electorate? Researchers randomly assigned areas covered by Native American radio programming to either receive or not receive targeted radio messaging encouraging listeners to vote in the 2008 and 2010 US elections. The...

Health workers undergoing training

Biometric Tracking and Tuberculosis Treatment in India

Thomas Bossuroy
Clara Delavallade
Vincent Pons
In India, researchers evaluated the impact of biometric tracking devices in tuberculosis (TB) care centers on patient adherence to treatment, provider performance, and data quality. Biometric devices increased patient adherence to TB treatment and provider performance.
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The Impact of Offering Awards on Health Worker Learning in Zambia

Researchers in Zambia introduced different kinds of awards and information on performance rankings into a year-long training for community health workers to evaluate their impact on how much trainees learned. They found that awards focused on offering recognition and improving trainees’ status and...
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Do Robotic Calls from Credible Sources Influence Voter Turnout or Vote Choice?

Alan Gerber
James G. Gimpel
Donald Green
Daron R. Shaw
Two students walking: one's jacket reads 'Peking U"

Non-Coercive Mobilization in State-Controlled Elections in China

Donald Green
Mei Guan

Applying Behavioral Insights to Improve Tax Enforcement in Poland

Nina Mazar
Roberto Claudio Sormani
In partnership with the Polish Tax Office, researchers conducted a nation-wide randomized evaluation to test the impact of sending tax enforcement letters with behavioral messages on tax compliance among delinquent taxpayers. The results indicate that behavioral letters significantly improved tax...
Row of empty polling stations

Social Pressure and Voter Turnout in the United States

Alan Gerber
Donald Green
Christopher Larimer

Direct Democracy and Local Public Goods in Indonesia

Ben Olken
To examine these issues, researchers randomly assigned 49 villages in Indonesia to choose local infrastructure projects through either a direct election or a representative-based meeting. Choosing local infrastructure projects by direct election, rather than through representatives, had a small...