Serving people who are dually diagnosed: a program evaluation.

The progress of a group of clients during their first year in a special program for persons who are both mentally retarded and psychiatrically impaired was described. The clients increased their level of independence and decreased their frequency of problem behaviors. However, they still faced significant obstacles to further growth, particularly the need to develop residential alternatives and community supports. The salience of these same issues for all individuals with dual diagnoses was discussed.