updated, and expanded to include a discussion of the debate in evaluation between qualitative and quantitative research, more on the role of theory in doing good case studies, more extensive discussion of triangulation as a rationale for multiple sources of evidence, and an examination of program logic models as another analytic option. In addition, the text contains many topical examples, including ones dealing with international trade and the world economy. Despite these revisions, this second edition retains virtually all the original text, making it an even more comprehensive introduction to the field.

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