Grevenhaus, C. J., C. Flückiger, L. Theimer, and C. Benecke. “Does Technique Matter? A Multilevel Meta-Analysis on the Association Between Psychotherapeutic Techniques and Outcome”. Research in Psychotherapy: Psychopathology, Process and Outcome, vol. 27, no. 2, Aug. 2024, doi:10.4081/ripppo.2024.803.