When Is Randomization Right for Evaluation?

I advocate using randomized experiments because they provide a high level of confidence in the results. But they aren't always possible or appropriate. So what criteria should researchers use to decide when to use them?

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Black Boxes, the Counterfactual, and Bringing Order to RCTs

Abt evaluation experts are engaged in discussions to advance the leading edge of evaluation methods. Recently, Laura Peck and Allan Porowski shared insights on the American Evaluation Association blog AEA365.

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Learning Together: Building Stronger Practitioner-Researcher Partnerships

Promoters of evidence-based policies and practices are seeking to engage practitioners more fully in developing and carrying out technically challenging evaluations — notably randomized controlled trials (RCTs).

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Why Randomize? A Primer on Experimental Evaluations

Although Abt engages in a wide variety of research and evaluation activities, what is central to my work in particular are evaluations that use an experimental design. This blog post explains what experiments are and why we do them.

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