Electrodes Are Attached to Mitzi's Forehead to Monitor the Muscle

Multiple Choice

Electrodes are attached to Mitzi's forehead to monitor the muscle tension in her forehead. Mitzi then listens to a tone. When her muscles are tense, she hears a high-pitched tone. When her muscles are relaxed, she hears a low-pitched tone. Mitzi is learning to relax her muscles by listening to this tone. Mitzi is using:

A) assertiveness training.
B) awareness technology.
C) biofeedback.
D) disinhibition procedures.