In today's world, evaluators must be flexible and responsive in order to best deal with the ever shifting environmental conditions that they face on the job. While the deficit-based approaches which have shaped evaluation practice over the years are important to master, a newer technique called Appreciative Inquiry offers evaluators an additional, viable lense through which to view their work. Appreciative Inquiry is the search for what aspects of an organization are effective and hold the key to innovation and growth. In this text, Hallie Preskill and Tessie Tzavaras Catsambas-who have...