Presents a way to evaluate the impact of local human services delivery systems and illustrates this logic model through the experiences of an urban United Way organization. This experience suggests that the logic model may have applications in planning when the aim is long-term social objectives through short-term interventions. (SLD)

An evaluation of case management services to families on public assistance suggests that a "logic model" and an "open systems" evaluation approach might be useful in program evaluation. A second study describes how the logic model and open systems evaluation were used to develop an evaluation plan for services to homeless…