Juan Has Claustrophobia, So Juan's Therapist Gradually Exposes Juan to Smaller

Multiple Choice

Juan has claustrophobia, so Juan's therapist gradually exposes Juan to smaller and smaller places while Juan relaxes to each step in the hierarchy, beginning with the lowest fear-producing item.Juan's phobia is being treated with

A) aversive conditioning.
B) confrontation.
C) rational-emotive behavior therapy.
D) systematic desensitization.