The Effectiveness of Family Constellation Therapy in Improving Mental Health: A Systematic Review

Abstract

Family/systemic constellation therapy is a short-term group intervention aiming to help clients better understand and then change their conflictive experiences within a social system (e.g., family). The aim of the present systematic review was to synthetize the empirical evidence on the tolerability and effectiveness of this intervention in improving mental health. The PsycINFO, Embase, MEDLINE, ISI Web of Science, Psyndex, PsycEXTRA, ProQuest Dissertations & Theses, The Cochrane Library, Google Scholar, and an intervention-specific organization’s data bases were searched for quantitative, prospective studies published in English, German, Spanish, French, Dutch, or Hungarian up until April 2020. Out of 4,197 identified records, 67 were assessed for eligibility, with 12 studies fulfilling inclusion criteria (10 independent samples; altogether 568 participants). Outcome variables were diverse ranging from positive self-image through psychopathology to perceived quality of family relationships. Out of the 12 studies, 9 showed statistically significant improvement post-intervention. The studies showing no significant treatment benefit were of lower methodological quality. The random-effect meta-analysis – conducted on 5 studies in relation to general psychopathology – indicated a moderate effect (Hedges’ g of 0.531, CI: 0.387–0.676). Authors of 7 studies also investigated potential iatrogenic effects and 4 studies reported minor or moderate negative effects in a small proportion (5-8%) of participants that potentially could have been linked to the intervention. The data accumulated to date point into the direction that family constellation therapy is an effective intervention with significant mental health benefits in the general population; however, the quantity and overall quality of the evidence is low. Keywords: family constellation, mental health, psychopathology, effectiveness, systematic review THE EFFECTIVENESS OF FAMILY CONSTELLATION THERAPY 3

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