Search our database of 1043 randomized evaluations conducted by our affiliates in 89 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

Displaying 17-24 of 1049

Improving Take-Up of Tax Benefits in the United States

Saurabh Bhargava

In the United States, many people who are eligible for social and economic benefits do not claim those benefits. Researchers partnered with the U.S. Internal Revenue Service (IRS) to test the effectiveness of different messages to taxpayers designed to encourage them to claim certain tax benefits.

Improving the Allocation of Land Use Subsidies Through Self-Selection in Malawi

Elsa Cardona Santos

In Malawi, researchers tested the impact of a subsidized tree planting program and tested whether allocating contracts randomly or through self-selection resulted in better program outcomes. Self-targeting outperformed random allocation of contracts in terms of tree survival and mitigated increases...

The Impact of Employment on High-Risk Men in Liberia

Jeannie Annan

In Liberia, researchers tested the effect of an intensive agricultural training program on employment activities, income, and socio-political integration. The program increased participants’ employment in agriculture and average wealth and decreased the amount of time they spent in illicit...

Evaluating the Impact of Play-Based Learning on Early Childhood Development in South Africa

In KwaZulu-Natal, researchers are measuring the impact of the Six Bricks program, which promotes structured play using manipulative bricks combined with a set of carefully designed pedagogical activities, on preschoolers' executive function skills.

Teacher Training and Student Achievement in Science: Evidence from France

Manuel Bächtold
David Cross
Valérie Munier
André Tricot
Adrien Bouguen

High quality instruction throughout primary school is widely believed to have a positive influence on student outcomes. In partnership with a non-profit organization in France, researchers are evaluating the impact of its science and technology teacher training program on the educational interests...

La ampliación de servicios de guarderías infantiles en Chile y sus efectos en la participación laboral femenina

Marcela Perticará

En Chile, investigadores realizaron una evaluación aleatorizada para medir los efectos en la empleabilidad femenina de un programa de provisión de cuidado infantil para los horarios después de finalizada la jornada escolar. El programa aumentó la participación laboral femenina en la fuerza laboral y...

Radio Public Service Announcements and Voter Participation Among Native Americans in the United States

Eline de Rooij

Can media campaigns increase voter turnout among those underrepresented in the electorate? Researchers randomly assigned areas covered by Native American radio programming to either receive or not receive targeted radio messaging encouraging listeners to vote in the 2008 and 2010 US elections. The...

Interfirm Relationships and Business Performance in China

Adam Szeidl

Can facilitating relationships between small- and medium-sized businesses help them grow? In Jiangxi Province, China, researchers conducted a randomized evaluation to study the impact of business relationships on firm performance. Monthly meetings among firms increased sales, profits, and other...