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.

Displaying 313-320 of 1180

Testing the Effectiveness of Payments for Ecosystem Services to Enhance Conservation in Uganda

Eric Lambin
Charlotte Stanton
In Uganda, researchers conducted a randomized evaluation to test the effectiveness of a program in which landowners were paid to not cut forest trees on their property. During the study period, landowners who were offered contracts to conserve forest cleared 4 percent of forested land, compared to 9...

Combating Corruption in Community Development in Indonesia

J-PAL affiliate Benjamin Olken (MIT) devised a method to measure corruption and used it to evaluate alternative strategies to reduce corruption on Indonesian roadbuilding projects. The evaluation tested two types of strategies: encouraging community participation and increasing the probability of...

Promoting Intercaste Harmony Through Sports

Researchers conducted a randomized evaluation of cricket teams in rural India to identify whether team composition could improve intergroup harmony. Collaborative contact between cricket players of different castes reduced prejudice toward members of lower castes and increased cross-caste...

Effect of Media on Voting Behavior and Political Opinions in the United States

Daniel Bergan
This study measured the effect of receiving free subscriptions to either a liberal or conservative-leaning newspaper on voters’ political knowledge and opinions in the United States. Results demonstrated that neither subscription had an impact on voters' political knowledge, but that both...

Addressing Intimate Partner Violence Through Cash Transfers in Mali

Melissa Hidrobo
Shalini Roy
Researchers evaluated the effect of an unconditional cash transfer program targeting mostly men on intimate partner violence in a context where nearly forty percent of households are polygamous. Polygamous households receiving the transfer experienced less physical and emotional violence, while...

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.