A Three- Level Meta-Analysis on Systemic Therapy for Adults

This is the project site to a meta-analysis project published here: https://www.tandfonline.com/doi/full/10.1080/10503307.2024.2394192 Full Citation: Braus, N., Flückiger, C., Wichmann, J., Frankman, C., Lang, A., & Hunger-Schoppe, C. (2025). Is symptom outcome the whole story?—A multilevel meta-analysis of systemic therapy for adults including family system functioning. Psychotherapy Research, 35(7), 1056–1069. https://doi.org/10.1080/10503307.2024.2394192 You can find additional material (R-Code, Codebook, datasets, etc.) on this page. The study was preregistered on Prospero:https://www.crd.york.ac.uk/PROSPERO/view/CRD42021244696