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Researchers evaluated the impact of providing teachers with access to high-quality online lessons and implementation support on student achievement in mathematics. Providing teachers with access to the lessons, reminders, and implementation support significantly increased student achievement.

In Ethiopia, researchers tested whether linking microcredit and family planning services could increase contraceptive use more than either program in isolation. Neither the linked program nor the isolated programs had any detectable impact on contraceptive awareness, use, or intention to use.

Researchers conducted two randomized evaluations to test the impact of coaching teachers on integrating CAL in their elementary and middle school mathematics instruction in two large, diverse school districts in the United States. The intervention led to improved math performance in one evaluation...

Researchers evaluated the impacts of a $68 million infrastructure investment program in Mexico on urban residents’ access to infrastructure, property values, private investment, moving rates, and community cohesion. The study found that access to infrastructure and property values improved in...

Researchers conducted a randomized evaluation to test the impact of introducing a pay-as-you-go car insurance contract, which reduces minimum purchase requirements, to uninsured drivers in California. Applicants who were offered this type of insurance were nearly twice as likely to purchase car...

Researchers used Chicago’s school choice program, which uses a random lottery to allocate slots in elementary schools, to evaluate how the opportunity to attend a higher-quality school impacts academic achievement. They found that lottery winners are more likely to attend higher-performing schools...

In Ohio, researchers tested the effect of an informational mailing on the number of tax filers claiming the political contribution tax credit. They found that the campaign generated a moderate increase in the number of individuals claiming the credit, but at a cost of over US$2000 per filer.