J-PAL North America, based at MIT, leads J-PAL’s work in the North America region. J-PAL North America conducts randomized evaluations, builds partnerships for evidence-informed policymaking, and helps partners scale up effective programs.

Our work spans a wide range of sectors including health care, housing, criminal justice, education, and economic mobility. We leverage research by affiliated professors from universities across the continent and a full-time staff of researchers, policy experts, and administrative professionals to generate and disseminate rigorous evidence about which anti-poverty social policies work and why.

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Blog

Nurturing the null: Approaching research design with all possibilities in mind

In this blog post, Manasi Deshpande and Rebecca Dizon-Ross shared how they designed a multi-step evaluation to determine if their null findings were due to a failure of their research design or a flaw in their Theory of Change.

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Blog

Nurturing the null: Leveraging unexpected null results to improve case management for housing services

Kimberly Dodds, homeless prevention program manager in King County, Washington, discusses her experience discovering that their program had null results and how they were used to improve the Youth Family Homelessness Prevention Initiative.

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Blog

Nurturing the null: Preparing for null results to bolster evidence use

Null results—finding no impact—can be particularly difficult for researchers, policymakers, and service providers to act on. In this blog post, we share three key considerations for successfully designing studies and acting on null results.

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Update

November 2024 North America Newsletter

J-PAL North America's November newsletter features updates from J-PAL North America’s Economics of Decarbonization Working Group, a new blog series on null results, and the 2024 LEVER Evaluation Incubator partner announcement.