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 9-16 of 24

Willingness and Ability to Pay for the Kosim Clean Water Filter in Ghana

Researchers in Ghana are attempting to measure households' demand for simple ceramic water filters by offering the filter at different price levels through door-to-door sales. They will also explore whether different household characteristics, such as education, income, and health, affect a...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Stephen Luby
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand-washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

The Effect of India's Total Sanitation Campaign on Defecation Behaviors and Child Health in Rural Madhya Pradesh, India

Benjamin Arnhold
Bertha Briceno
Sandipan Ganguly
John M. Colford Jr.
Sumeet R Patil
Alicia L. Salvatore

The Impact of Sanitation and Hand-Washing Promotion Campaigns on Child Health in Tanzania

Bertha Briceno
Aidan Coville
Sebastian Martinez
Researchers conducted a randomized evaluation to measure the impact of sanitation and hand-washing promotion campaigns, alone and in combination, on household knowledge, behavior, and child health (diarrhea prevalence, stunting, wasting, and anemia). While the program improved hygiene and sanitation...

Irrigation Tank Rehabilitation for Improved Agricultural Outcomes and Water Management in India

Xavier Giné
Anup Malani
The Government of Telangana is partnering with researchers to determine the impact of restoring water tanks for irrigation on water management, agricultural output, and farmers’ income.

The Impact of Community-Based Environmental Health Promotion Program on Child Health in Western Rwanda

In western Rwanda, researchers evaluated the impact of community health clubs on household take-up of healthy behaviors and on the health of children under 5 years of age. The program had minimal impact on household behaviors and no impact on caregiver-reported rates of diarrhea among children under...