What Is the Primary Reason CBFT Therapists Use Contracts

What is the primary reason CBFT therapists use contracts?

A) To make sure the client comes to therapy consistently and pays on time
B) To trick the client into thinking that something is required so they will work harder and take therapy seriously
C) To force the client to work on the behaviors they want to target
D) To give the client a sense of commitment to the process as well as motivate them