Guido and Marcello are seeing different therapists for different conditions. One therapist is using CBT while the other therapist is using IPT. However, both men seem to be making progress with their concerns, and their lives are improving. Which of the following is a common factor across therapies that may help to explain this result?
a) Medication management
b) Client-therapist rapport
c) Length of therapy sessions
d) Therapist's theoretical orientation
