Evaluation has come of age. Today most social and political observers would have difficulty imagining a society where evaluation is not a fixture of daily life, from individual programs to local authorities to parliamentary committees. While university researchers, grant makers and public servants may think there are too many types of evaluation, rankings and reviews, evaluation is nonetheless viewed positively by the public. It is perceived as a tool for improvement and evaluators are seen as dedicated to using their knowledge for the benefit of society.

The book examines the degree...