Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 105-112 of 257

Creating Incentives to Decrease Water Waste in Zambia

Researchers partnered with a water company in Zambia to evaluate whether improved information and incentives can help households manage their water usage. They found that targeting incentives to higher household water consumers might be an effective way to reduce water consumption.

Providing information on wood heating to decrease indoor air pollution in France

Coralie Chevallier
Mathieu Perona
Rita Abdel Sater
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...

The Impact of Mask Distribution and Promotion on Mask Uptake and Covid-19 in Bangladesh

Jason Abaluck
Jade Benjamin-Chung
Neeti Zaman Bintee
Emily Crawford
Muhammad Maqsud Hossain
Ellen Bates Jefferys
Alamgir Kabir
Laura H. Kwong
Stephen Luby
Shadman Rahman
Shabib Raihan
Hasan Mahmud Reza
Ashley Styczynski
Peter J. Winch
Researchers partnered with Innovations for Poverty Action and Bangladeshi policymakers to test various strategies to increase mask-wearing and assess the impact of community mask wearing on SARS-CoV-2 infection rates. They found that a four-part intervention tripled mask usage and increased physical...

Demand for Rainwater Harvesting Devices in Uganda

In Uganda, researchers studied the demand for rainwater storage devices, the effectiveness of various marketing strategies in promoting them, and their impact on indicators such as school attendance and women’s participation in the labor market.

Investigating Rural Labor Markets Among the Ultra-Poor in Northern Ghana

Researchers designed an employment program in northern Ghana and evaluated participants’ willingness to engage in paid labor and carry out complex tasks on the job.

Incentives for Nurses in the Public Health Care System in Udaipur, India

Researchers worked with the NGO Seva Mandir to measure the impact of an incentives program that aimed to improve Assistant Nurse Midwife (ANM) attendance in rural clinics in Udaipur. Although the incentive program initially led to a large improvement in attendance, effects faded after the first six...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Harsha Thirumurthy
Damien de Walque
Joshua Graff Zivin
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Priming Adverse Events and Reports of Depression in Nigeria

Kevin McGee
Gbemisola Oseni
Julie Perng
Ryoko Sato
Tomomi Tanaka
Renos Vakis
To better understand how to measure and report depression, researchers randomized the order of questions in a national survey to examine the effect of triggering memories of difficult events, such as conflicts, shocks, and death, on reported levels of depression across households in Nigeria. They...