Data about outpatient treatment unit follow-up evaluations drawn from selected evaluation items in the recent National Drug Abuse Treatment Survey are reported. Directors and supervisors of 670 units completed surveys describing the follow-up studies. The majority of programs collecting follow-up data used the information for program change. (SLD)

This article describes an ongoing survey that illustrates how evaluators, working with program managers, have effectively used client-based data to monitor performance in the Social Security Administration. The value of client-based data outweighs the limitations and problems collecting it. Customer perceptions are a critical barometer of quality.…