This book offers an accessible introduction to the topic of impact evaluation and its practice in development. While the book is geared principally towards development practitioners and policymakers designing prospective impact evaluations, we trust that it will be a valuable resource for students and others interested in using impact evaluation. Prospective impact evaluations should be used selectively to assess whether or not a program has achieved its intended results, or to test alternatives for achieving those results. We consider that more and better impact evaluation will help...

O objetivo deste livro e fornecer um guia acessivel, abrangente e claro para a avaliacao de impacto. Omaterial, desde a motivacao da avaliacao de impacto ate as vantagens de diferentes metodologias, calculos de poder estatistico e de custos, e explicado de forma muito clara e a cobertura e impressionante. Este livro se tornara um guia muito consultado e utilizado e afetara a formulacao depoliticas para os proximos anos. Orazio Attanasio, Professor de Economia, University College London; Diretor, Centro de Avaliacao de Politicas de Desenvolvimento, Instituto de Estudos Fiscais, Reino Unido...

The second edition of the Impact Evaluation in Practice handbook is a comprehensive and accessible introduction to impact evaluation for policy makers and development practitioners. First published in 2011, it has been used widely across the development and academic communities. The book incorporates real-world examples to present practical guidelines for designing and implementing impact evaluations. Readers will gain an understanding of impact evaluations and the best ways to use them to design evidence-based policies and programs. The updated version covers the newest techniques for...