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 177-184 of 1253

Workplace Wellness Programs to Improve Employee Health Behaviors in the United States

Zirui Song
Researchers conducted a randomized evaluation of a comprehensive, multi-site workplace wellness program to evaluate the program’s impact on self-reported and clinical health outcomes, health care spending and utilization, and employment outcomes. The program did not have a measurable effect on any...

Evaluating the Socioeconomic Impacts of Western Seed's Hybrid Maize Program

Samuel Bird
Mary Mathenge
Timothy Njagi
Researchers are using Western Seed Company's expansion into new areas to evaluate the socio-economic effects of the hybrid maize program in Western and Central Kenya.

The Impact of Group-Based Grain Storage Schemes on Farmers’ Savings and Incomes in Kenya

Jonathan Robinson
Researchers worked with existing savings clubs in Kenya to study the effect of two interventions on savings: the provision of communal crop storage devices and the provision of savings accounts earmarked for farm purchases. Researchers find that the products were popular: about 56% of farmers took...

Reducing Imbalanced Fertilizer Use Through ‘Rule-Of-Thumb’ Instructions in Bangladesh

Mahnaz Islam
Fertilizer use has been promoted to boost agricultural productivity and increase farmers’ yields and income. Researchers conducted a randomized evaluation among rice farmers in Bangladesh to evaluate the impact of providing leaf color charts and basic training on the quantity and timing of...

The (Null) Impact of Tax Credit Information on College Enrollment in Texas

Jeffrey Denning
Researchers conducted a randomized evaluation to test the impact of a large, information-only intervention about tax credits and financial aid for college on college application and enrollment. Information about tax credits did not influence reenrollment, reapplication, or enrollment, even for...

Using Text Messages to Prevent the Spread of Covid-19 in India

Girija Bahety
Dev Patel
James Potter
Researchers tested whether reminders delivered via text message improved knowledge and adoption of social distancing and handwashing. They found no evidence that individuals changed their self-reported behaviors; this finding may highlight limited effectiveness of SMS-based information campaigns...

Long-Term Diffusion and Impact of Flood-Tolerant Rice in India

In India, researchers leveraged a randomized evaluation of the distribution of a new seed variety to assess how the new seed spread within communities and social groups. They found that local social structures, such as the jati-caste system, influenced the extent of seed adoption. In particular...