Chapter 8 summarizes the core practice research principles identified in Practice Research in the Human Services: A University-Agency Partnership Model. The first set of principles relates to learning from the experiences of others, and includes understanding the context of practice research, the role of persistent communications, and the process of disseminating results. The second set of principles focuses on knowing how to implement practice research by utilizing specialized skills, balancing the dynamics of practice and research, and engaging in collaborative teamwork. The third set of principles relates to managing complexities by coping with the tensions and ongoing change associated with practice research, responding to negative findings, and engaging service users. The last set of principles focuses on the process of sharing practice research with the practitioners who are most able to integrate it into their practice. The chapter concludes with a discussion of rigor, relevance, and theory in practice research.