Evaluations

Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

In this multi-part study, researchers, in partnership with the Ministry of Public Security of Mexico City and the National Security Commission, are evaluating how police organizations in Mexico City can be more effective, resilient, and trusted.

Researchers in Kenya issued a questionnaire to firms which may have made lost sales and profits due to poor change management became more salient. A second intervention more explicitly emphasized the costs of having insufficient change. Highlighting the importance of carrying correct change helped...

Small and medium enterprises (SMEs) are thought to be important drivers of growth in developing economies, but entrepreneurs in these countries face many barriers, including poor access to training, finance, and business networks. In Colombia, Fundación Bavaria’s “Destapa Futuro” (Open the Future)...

In northern Uganda, researchers found that free distribution of three health products led to lower demand for the same products when they were later offered for sale, highlighting the importance of product characteristics in determining pricing policy.

In Ethiopia, researchers conducted a randomized evaluation to assess the impact of behavioral nudges on household behaviors, like grain and flour storage, cooking, and consumption, as well as on childhood nutrition. They found that households improved grain storage and cooking practices, and...

This study in Western Kenya will test for failures in the market for local agricultural information and measure the impact of disseminating local information on farmers’ decisions to invest in agricultural inputs.

In partnership with the Ministry of Agriculture of the Democratic Republic of Congo and the World Bank, researchers are investigating how subsidizing the cost of and access to improved seeds affects smallholder farmers’ take-up of improved seeds, their short-term agricultural productivity, and...