Developmental evaluation (DE) offers a powerful approach to monitoring and supporting social innovations by working in partnership with program decision-makers. In this book, Michael Quinn Patton illustrates how DE can be used for a range of purposes: ongoing program development, adapting effective principles of practice to local contexts, generating innovations and taking them to scale, and facilitating rapid response in crisis situations. Here’s a quick explanation of developmental evaluation, and check out how DE was applied to the Elevate Engagement conference and JTM’s Civic Communication report.