Experts estimate that nearly 60 percent of all U.S. pregnanciesâ€"and 81 percent of pregnancies among adolescentsâ€"are unintended. Yet the topic of preve

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The second edition of the Impact Evaluation in Practice handbook is a comprehensive and accessible introduction to impact evaluation for policy makers and devel

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Including a new section on evaluation accountability, this Third Edition details 30 standards which give advice to those interested in planning, implementing an