What Are the Three Steps Involved in Systematic Desensitization

What are the three steps involved in systematic desensitization?

A) Identifying the problem, changing the contingencies, and debriefing for long-term change
B) Muscle relaxation, creating an anxiety hierarchy, and pairing relaxation with each item on the hierarchy
C) Making free associations, interpreting resistance and transference, and restructuring defense mechanisms
D) Actively listening, demonstrating genuineness and empathy, and showing unconditional acceptance