Variations in the effectiveness of psychotherapy appear to depend on individual therapists'_____rather than on their theoretical orientation.

A) age
B) gender
C) personal skills
D) years of education

Personal Skills

Attributes and competencies that enhance an individual's interactions, job performance, and career prospects.

Theoretical Orientation

The fundamental philosophical approach that guides a therapist’s or researcher’s understanding of clients and their problems, as well as the methods employed to help them.