Demonstration projects support model development, test variations and generalization, and build a platform of practice experience to guide policy and practice approaches to community problems. Research and practice are integrated to develop knowledge, deliver services, and report results that may inform policy, practice, and science (Wittman, 1982). A unique aspect of demonstration projects is that community members and stakeholders (e.g., consumers and practitioners) often participate in the creation of knowledge, and study implementation requires levels of collaboration not found in most academic-based research (Israel, Schulz, Parker, & Becker, 1998). Demonstrations illustrate the capacity of communities to contribute to and benefi t from the process of testing ideas and creating knowledge (Israel et al.,