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Review Articles

Vol. 7 (2026): Panoply Journal

How Can the Quality of Psychological Treatment Be Evaluated? Between Efficacy, the Therapeutic Alliance, and Acceptance of the Self

DOI:
https://doi.org/10.71166/bs8jgw72
Submitted
15 September 2026
Published
28 September 2026

Abstract

The question of how to evaluate the quality of psychological treatment concerns clients, families, and mental health professionals alike. Therapeutic success is often equated with symptom reduction or the attainment of predefined goals, yet psychotherapy research suggests a more multidimensional picture. This article examines how treatment quality can be evaluated through treatment outcomes, the therapeutic alliance, self-awareness, emotional regulation, interpersonal functioning, and the capacity to accept aspects of reality that cannot be changed. It reviews the meaning of therapeutic change, the role of acceptance, collaborative goal setting, therapist-client fit, and therapist characteristics that support effective intervention. Drawing on contemporary psychotherapy research and major theoretical approaches, the article argues that high-quality therapy cannot be judged by a single indicator but should be assessed through the interaction of outcomes, process, relationship quality, and the client's evolving experience over time.

References

  1. Barkham, M., de Jong, K., Delgadillo, J., & Lutz, W. (2023). Routine outcome monitoring (ROM) and feedback: Research review and recommendations. Psychotherapy Research, 33(7), 841-855. https://doi.org/10.1080/10503307.2023.2181114
  2. Bordin, E. S. (1979). The generalizability of the psychoanalytic concept of the working alliance. Psychotherapy: Theory, Research & Practice, 16(3), 252-260. https://doi.org/10.1037/h0085885
  3. Cuijpers, P., Reijnders, M., Karyotaki, E., de Wit, L., & Ebert, D. D. (2018). Negative effects of psychotherapies for adult depression: A meta-analysis of deterioration rates. Journal of Affective Disorders, 239, 138-145. https://doi.org/10.1016/j.jad.2018.05.050
  4. Elliott, R., Bohart, A. C., Watson, J. C., & Murphy, D. (2018). Therapist empathy and client outcome: An updated meta-analysis. Psychotherapy, 55(4), 399-410. https://doi.org/10.1037/pst0000175
  5. Eubanks, C. F., Muran, J. C., & Safran, J. D. (2018). Alliance rupture repair: A meta-analysis. Psychotherapy, 55(4), 508-519. https://doi.org/10.1037/pst0000185
  6. Farber, B. A., Suzuki, J. Y., & Lynch, D. A. (2018). Positive regard and psychotherapy outcome: A meta-analytic review. Psychotherapy, 55(4), 411-423. https://doi.org/10.1037/pst0000171
  7. Flückiger, C., Del Re, A. C., Wampold, B. E., & Horvath, A. O. (2018). The alliance in adult psychotherapy: A meta-analytic synthesis. Psychotherapy, 55(4), 316-340. https://doi.org/10.1037/pst0000172
  8. Hayes, S. C., Strosahl, K. D., & Wilson, K. G. (2012). Acceptance and commitment therapy: The process and practice of mindful change (2nd ed.). Guilford Press.
  9. Hook, J. N., Davis, D. E., Owen, J., Worthington, E. L., Jr., & Utsey, S. O. (2013). Cultural humility: Measuring openness to culturally diverse clients. Journal of Counseling Psychology, 60(3), 353-366. https://doi.org/10.1037/a0032595
  10. Kohut, H. (1984). How does analysis cure? (A. Goldberg, Ed., with P. E. Stepansky). University of Chicago Press. https://doi.org/10.7208/chicago/9780226006147.001.0001
  11. Kolden, G. G., Wang, C.-C., Austin, S. B., Chang, Y., & Klein, M. H. (2018). Congruence/genuineness: A meta-analysis. Psychotherapy, 55(4), 424-433. https://doi.org/10.1037/pst0000162
  12. Macri, J. A., & Rogge, R. D. (2024). Examining domains of psychological flexibility and inflexibility as treatment mechanisms in acceptance and commitment therapy: A comprehensive systematic and meta-analytic review. Clinical Psychology Review, 110, 102432. https://doi.org/10.1016/j.cpr.2024.102432
  13. Norcross, J. C., & Lambert, M. J. (Eds.). (2019). Psychotherapy relationships that work: Volume 1: Evidence-based therapist contributions (3rd ed.). Oxford University Press. https://doi.org/10.1093/med-psych/9780190843953.001.0001

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