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 313-320 of 1224

Community Driven Development in Sierra Leone

Researchers studied the impact of a community driven development program in Sierra Leone in the short and long-run and contrasted it with a technocratic approach to delegate the management of development projects to high skill individuals. In the short term, the CDD program increased the stock of...

The Impact of a Large-Scale Community-Led Total Sanitation Program in Indonesia

Susan Olivia
Researchers conducted a randomized evaluation to study the impact of a large-scale Community-Led Total Sanitation (CLTS) program in Indonesia on sanitation practices, attitudes towards open defecation, and child health. When implemented by external resource agencies instead of local governments...

Reducing Inappropriate Prescribing of Controlled Substances in the United States

Shantanu Agrawal
David Yokum
Researchers tested whether an informative letter campaign could reduce inappropriate prescribing of controlled substances in Medicare Part D. Letters had no detectable effect on prescribing. In ongoing work, researchers are testing alternative versions of letters.

The Impact of Broadening Traditional Leaders’ Advisors on Inclusive Governance in Zimbabwe

Shylock Muyengwa
Researchers conducted a randomized evaluation to test how encouraging traditional leaders to broaden their circle of advisors affects inclusive governance in Zimbabwe. Village chiefs improved their decision-making processes when they attended the workshop on inclusive and transparent governance and...

The Impact of Mass Media and Family Planning Campaigns on Contraception Use in Burkina Faso

Researchers evaluated the impact impact of both general exposure to mass media and an intensive family planning campaign on contraception. Increasing exposure to general mass media reduced contraception use in this context. However, a high-quality family planning radio campaign offset the negative...

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Gustavo Duncan
Benjamin Lessing
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.

The Impact of a Christian Values Program on Wellbeing in the Philippines

In the Philippines, researchers conducted a randomized evaluation to measure the impact of an evangelical Protestant religious values and theology education program on individuals' economic and subjective wellbeing.