This book provides a comprehensive framework for evaluating communication for development (C4D). This framework combines the latest thinking from a number of fields in new ways. It critiques dominant instrumental, accountability-based approaches to development and evaluation and offers an alternative holistic, participatory, mixed methods approach based on systems and complexity thinking and other key concepts. Maintaining a focus on power, gender and other differences and social norms, this is a framework designed to focus on achieving sustainable social change as well as continually improve and develop C4D initiatives. This is supported by examples and case studies from action research and evaluation capacity development projects undertaken by the authors over the past 15 years.