The Ethics of Experimental Evaluations, Things You Can Learn From Randomized Experiments, and More

Abt evaluation experts Stephen Bell and Laura Peck examine concerns about social experiments and provide ways to avoid common pitfalls.

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Internal versus External Validity in Rigorous Policy Impact Evaluations: Do We Have to Choose?

Can researchers give policymakers the right information about what is and is not working for the nation as a whole, especially when research is limited to select pockets of the country? This is not as impossible as it sounds.

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