The Hierarchy of Fear, Used by Therapists Working with Clients

The hierarchy of fear, used by therapists working with clients who are undergoing systematic desensitization, consists of

A) a series of bodily reactions, ranging from simple uneasiness to full-blown panic.
B) a list of clients, ranging from those suffering mild fears to those suffering full-blown phobias.
C) a list of therapies, ranging from the least to the most frightening procedure.
D) a series of scenes that make the patient fearful, ranging from least to most feared.