The influence of patient and clinician ideology on clinical judgment was studied. Therapists each rated two cases. One case had been altered to reflect either an extreme left-wing or extreme right-wing ideological orientation and the other case reflected no ideological commitment. Limited support was found for three hypotheses concerning therapist response to these cases. It is suggested that patient ideology, therapist ideology and their interaction influence clinical judgment and that clinicians need to be sensitive to possible "ideological countertransference."A patient walks into a therapist's office and says that he is anxious, depressed, and wants counseling. He has prayed, fasted and, attended healing services for relief, and though he still believes that only those in his small religious sect are saved, he thought he would try counseling with a "non-believing" therapist. What influence does the patient's ideology have on the therapist'sWe would like to thank