Search our database of 1095 randomized evaluations conducted by our affiliates in 91 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Expanding Educational Opportunities through a Public-Private Partnership in Pakistan

Felipe Barrera-Osorio
David Blakeslee
Matthew Hoover
Dhushyanth Raju
Stephen P Ryan

Researchers conducted a randomized evaluation to measure the impact of publicly-funded private primary schools on student enrollment in rural Pakistan. The private school program significantly increased school enrollment, but did not reduce gender disparities among students.

Contraceptive Adoption, Fertility, and the Family in Zambia

Women who received private access to vouchers for contraceptives were more likely to take up and use contraception, compared to women whose husbands were involved in the voucher program.

Cooking Stoves, Indoor Air Pollution, and Respiratory Health in India

While researchers found a meaningful reduction in smoke inhalation in the first year after households received an improved stove, there was no effect over longer time horizons. The difference between the laboratory and field results is due to households’ revealed low valuation of the stoves...

Vocational Education Voucher Delivery and Labor Market Returns in Kenya

What are the impacts of vocational education on labor markets, migration patterns, and health and fertility outcomes in Kenya?

HIV/AIDS Prevention Through Relative Risk Information for Teenage Girls in Kenya

To test the impact of information on teenagers’ sexual decisions, a “Relative Risk Information Campaign” was conducted in 71 schools to give students information about the distribution of HIV infection rates by age and gender groups and discuss the role of cross-generational sex in the spread of HIV...

Small Individual Loans and Mental Health in South Africa

Lia C.H. Fernald
Emily J. Ozer
Rita Hamad
This evaluation examined the direct impact of providing small consumer loans to marginally creditworthy individuals in South Africa on their credit access, investment, and well-being, as well as the profitability of these loans for lenders. Results found approving loans for marginally creditworthy...

Providing Information and Application Assistance to Improve Social Pension Enrollment in India

Sarika Gupta
The researcher evaluated the impact of providing eligible women with program information and various levels of application assistance for the Delhi Widow Pension Scheme on program knowledge, application completion, and enrollment. Offering more involved application assistance increased average...

Secondary School Scholarships to Increase Girls' Skill Development, Empowerment, and Job Opportunities in Niger

Hélène Giacobino
Bastien Michel
The Government of Niger, the National Institute of Statistics, and the World Bank are partnering with researchers to evaluate the impact of secondary school scholarships for girls on skill development, empowerment, and job opportunities.