Growth curves of common factors in psychotherapy: Multilevel growth modelling and outcome analysis.

Meier, Deborah; Tschacher, Wolfgang; Frommer, Angela; Moggi, Franz; Pfammatter, Mario (2023). Growth curves of common factors in psychotherapy: Multilevel growth modelling and outcome analysis. Clinical psychology & psychotherapy, 30(5), pp. 1095-1110. Wiley-Blackwell 10.1002/cpp.2864

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OBJECTIVE

A large body of literature discusses change mechanisms underlying psychotherapy with an emphasis on common factors. The present study examined how different comprehensive common factors change over the course of therapy and whether this change was associated with clinical outcome at discharge.

METHOD

Three hundred forty-eight adults (mean age = 32.1, SD = 10.6; 64% female) attended a standardized 14-week day-clinic psychotherapy program. They provided longitudinal data on common factors based on weekly assessments. Additionally, pre- and post-assessment questionnaires on clinical outcome were completed. Using multilevel modelling, we predicted common factors by time (week in therapy). Multiple linear regression models tested the association between changes in common factors and clinical outcome.

RESULTS

The common factor 'Therapeutic Alliance' was best fitted by linear growth models, whereas models for the common factors 'Coping', 'Cognitive Integration' and 'Affective Processing' indicated logarithmic changes over time. 'Coping', that is change in patients' ability to cope with their individual problems, was most closely linked with outcome.

CONCLUSIONS

The present study provides evidence for the changeability of common factors over the course of therapy as well as their specific contributions to psychotherapeutic progress.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > University Psychiatric Services > University Hospital of Psychiatry and Psychotherapy > Translational Research Center
04 Faculty of Medicine > University Psychiatric Services > University Hospital of Psychiatry and Psychotherapy

UniBE Contributor:

Meier, Deborah, Tschacher, Wolfgang, Frommer, Angela, Moggi, Franz (A), Pfammatter, Mario

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1063-3995

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Pubmed Import

Date Deposited:

22 May 2023 12:53

Last Modified:

04 Oct 2023 00:12

Publisher DOI:

10.1002/cpp.2864

PubMed ID:

37204078

Uncontrolled Keywords:

common factors day-clinic multilevel modelling process-outcome research psychotherapy

BORIS DOI:

10.48350/182702

URI:

https://boris.unibe.ch/id/eprint/182702

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