News

Researchers conducted two randomized evaluations in Bangladesh to study the impact of a new irrigation method and different pricing schemes on water use and conservation. The new irrigation method reduced water consumption and costs for farmers who were already paying for water by the hour, or by...

Researchers are examining the impact of a socioemotional learning curriculum on student mental health, academic achievement, and other social outcomes.

Researchers are evaluating the impact of changes in school management practices on student outcomes over time by introducing a large-scale principal training program for school directors in Puerto Rico and testing different strategies to sustain improved management practices after the program.

Researchers partnered with the Chilean Ministry of Education to evaluate the impact of pre-packaged classroom materials and standardized directions for teachers on teaching quality and student learning. The program improved student learning outcomes substantially, with equal benefits for both boys...

Researchers partnered with an employer in Addis Ababa to assess the impact of a small monetary incentive to apply for a job or a higher wage offer on the quality of applicants to a vacancy for a clerical position. Both of these changes increased the quality of applicants by similar amounts.

The researcher used a randomised evaluation in Kenya and Uganda to study the impact of varying access to information about prices in buying and selling markets, and encouraged informal traders to enter new markets and take advantage of price differences.

Researchers tested the impact of a meritocratic promotion system and beliefs about pay progression on the productivity of Community Health Workers in Sierra Leone. A combination of meritocracy and the promise of a steep salary increase after promotion led workers to make more health care visits...

In Northern Ghana, researchers tested whether providing information could encourage mothers to talk more with their infants, thereby improving child development. Six to eight months after the intervention, mothers who received the information reported they were more likely to talk to their infants...