Psychological Centers’ approach to affecting public policy advocacy is based on our general approach of using scientifically based information to help solve community problems. While advocacy is important for maintaining the ability to offer effective services, we thus focus our own advocacy efforts on providing scientific information about the role of behavior in reaching socially important goals. We have produced “white papers” and advocacy letters that summarize lessons for how to design and oversee services and social policy about such topics as domestic violence, homelessness, integrated behavioral-medical care, gay/lesbian issues, and keeping children at home, in school, and out of trouble.