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The researcher evaluated an opposition party’s door-to-door information campaign regarding increases in executive power or executive performance to determine the impact of widespread, non-state-authorized information on voter partisanship. In neighborhoods with majority opposition supporters...

Researchers partnered with policymakers in New York City to evaluate the impacts of a redesigned court summons form and text message reminders on failure to appear (FTA) in court. A randomized evaluation found that text message reminders were able to reduce FTA by up to 26 percent, translating to 3...

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

In this randomized evaluation, researchers partnered with Planned Parenthood of Michigan to give vouchers for contraception to evaluate the impact of contraceptive costs on method choice. Those who received the vouchers were more likely to buy contraceptives and buy more expensive methods than those...

Researchers randomly evaluated the effects of a decentralized extension program and an additional video-based information campaign on farmers’ adoption of a package of integrated soil fertility management (ISFM) technologies as well as individual practices in Ethiopia. They found that both in-person...

Are the effects of targeted instruction programs—such as Teaching at the Right Level or Computer Adaptive Learning (CAL) software—indeed driven by personalization? In partnership with an education assessment firm, researchers conducted a randomized evaluation to isolate the impact of computer-based...