Speaker: Professor Howard White, Former Executive Director, 3ie https://www.youtube-nocookie.com/embed/pWutrZwzP18?list=PLMdLqa33jxDnYmlJXC6_ExjpefosgQ3BF A comprehensive theory of change is integral to designing a high quality and policy relevant impact evaluation. In this video, Professor Howard White uses the example of a school feeding programme to illustrate the steps involved in building a theory of