AbstractA behavioral skills workshop for counselors and a supervisor in a community group home was developed and evaluated. The workshop included group skills training, individual supervisedin vivopractice, and supervisor training. Supervisor training taught behavioral staff management skills that were delivered in a multiple baseline design across subjects. Positive changes in staff behavior occurred for each group only after supervisor intervention. Significant positive changes occurred by the end of the workshop and were maintained at follow‐up for staff self‐evaluations of expertise and confidence to resolve problems, severity of client problems, and behavioral observations of positive client behavi