Scaling What Works

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In this image:A teacher works to improve early childhood math readiness of her students in Tikichuela, Paraguay. © 2017 IPA

Evidence-Based Scaling

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Reducing Crime

Cognitive behavioral therapy combined with cash transfers are shown to reduce crime and violence among high-risk young men. With the program implementer, NEPI, IPA is trying to scale this program in Liberia and will accompany NEPI as a learning partner.

Improving Learning

The differentiated learning approach has proven effective in improving child learning. IPA is working with Ghana's Ministry of Education and UNICEF to implement the cost-effective model in 10,000 primary schools in Ghana.

Addressing IPV

Becoming One, a faith-based couples counseling program, was proven to significantly reduce intimate partner violence in Uganda. Together with our partners, IPA is equipping the Church of Uganda to offer the program to its 11 million congregants.

Improving Early Math Skills

IPA is working with a regional government in Peru to adapt and pilot a scalable version of MateWasi, a 10-week radio and mobile phone coaching program that has proven effective in improving preschoolers’ early math skills.

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The Story of the NORM Model

When an evaluation shows that a program works, a question that can come up is “what’s next?” Here is how IPA answers.


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Path-to-Scale Research builds on promising evidence by assessing how robust the original results are, pursuing additional evidence about when, where, and why an approach is expected to work, and identifying ways to optimize and refine a program at scale.

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Technical Support

IPA helps implementers make evidence-based and data-based scaling decisions, including technical support in monitoring, implementation, and policy frameworks.


IPA conducts cost-effectiveness analysis to understand how much a proven program would cost when replicated or scaled.

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