Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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

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...

Boosting Academic Performance through Individualized Tutoring in Chicago Public High Schools

Roseanna Ander
Philip J. Cook
Kenneth Dodge
George Farkas
Harold Pollack
Laurence Steinberg
In Chicago, researchers evaluated an intensive two-on-one math tutoring program for 9th and 10th grade male students in public schools to assess the effectiveness of individualized instruction. Students who were randomly assigned to tutoring scored higher on math exams, earned better grades in math...

Biometric Tracking and Tuberculosis Treatment in India

Thomas Bossuroy
Clara Delavallade
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.

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...

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...