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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.

For-profit (and often online) universities account for nearly half of all postsecondary growth over the last decade, yet relatively little is known about how employers value and compare these education types. To test this, researchers randomly submitted resumes with different characteristics and...

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...

To evaluate the demand for solar electricity, researchers randomly offered solar microgrid connections at different prices to households in rural areas of Bihar, India. Demand for microgrids was highly variable and low when they were offered at market price, likely because there were several other...

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...

To test this theory, researchers in six countries evaluated a multi-faceted approach aimed at improving long term income of low-income households. They found that the approach had long-lasting economic and self-employment impacts and that the long-run benefits, measured in terms of household...

Researchers introduced a price regulation on poultry vaccines in Tanzania to evaluate the impact of reducing service providers’ discretion over prices on the number of recipients served, prices charged, and the overall welfare of beneficiaries. The price-cap reduced the average price of vaccinations...

Researchers evaluated an accountability workshop program, which educated citizens on the distribution of extractive industry tax revenues and the formal means of local political participation. The program had mixed results on local government quality, increasing the likelihood of initiating recall...