In the physiological (polygraph) data, the sex of the E (ES) interacted with the sex of the patient (PS) or the patient's process-reactive status (PR) in only 1 of 16 analyses. Only in the heart-rate variability data was the ES by PS interaction significant (p less than .001). Sex of the E had an appreciable effect in two of the three measures of associative disturbance. The ES by PS interactio...