Evaluations

Researchers conducted a randomized evaluation on measuring the impact of celebrity Twitter endorsement for a child immunization campaign on the public’s opinion and behavior towards immunization. Celebrity endorsement increased Twitter engagement with the immunization campaign, primarily when...

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...

Researchers conducted a randomized evaluation to measure the impact of peer referrals by current patients on the screening and identification of tuberculosis cases in India. Peer referrals and outreach by current patients to identified peers were more effective than health-worker led contact-tracing...

Using a technology-based math curriculum, researchers evaluated the impact of different incentive types—rewarding continuous effort in the classroom versus rewarding test performance—on student learning. Results indicate that effort-based incentives can be a more effective and cost-effective way of...

In this study, researchers evaluated scalable methods to improve student retention and performance in an online course, with the goal of improving meaningful access to this resource.

In Western Kenya, researchers compared three different approaches to subsidizing dilute chlorine solution to treat drinking water: a partial subsidy, a twelve month supply of free chlorine through monthly vouchers, and a twelve month supply of free chlorine hand-delivered. Safe water rates were much...

Researchers conducted a randomized evaluation to test the impact of employment on refugee psychosocial well-being in Bangladesh. The study found that employment generated significant psychosocial value beyond that from cash transfers alone.

Researchers worked with Mercy Corps to evaluate the impact of a sports and life skills development program on psychosocial and labor outcomes of vulnerable young people. While the program had no effect on improved psychosocial well-being or resilience, it did lead to an increase in labor force...