Research indicates that which of the following factors most significantly affects the outcome of therapy for psychological disorders?

• A. The physical appearance of the therapist
• B. The number of therapy sessions attended regardless of content
• C. The quality of the therapeutic relationship between client and therapist
• D. The client's socioeconomic status alone

Answer: (C)

Verified step by step guidance

1. Understand that the question is about identifying the factor that most significantly affects therapy outcomes for psychological disorders.
2. Recognize that research in psychology consistently highlights the importance of the therapeutic relationship, often called the 'therapeutic alliance,' as a key predictor of successful therapy outcomes.
3. Consider why other options, such as the physical appearance of the therapist or the number of sessions regardless of content, are less influential based on empirical evidence.
4. Acknowledge that while socioeconomic status can impact access to therapy and resources, it alone does not determine the effectiveness of therapy outcomes.
5. Conclude that the quality of the therapeutic relationship, which includes trust, empathy, and collaboration between client and therapist, is the most significant factor affecting therapy success.