Client-Centered Body Psychotherapy (GFK) - an Effectiveness Study
Abstract
The GFK method is a client-centered body psychotherapy method integrating elements of verbal communication (according to C. Rogers), focusing (E.T. Gendlin) and body psychotherapy (referring to W. Reich). It is mostly applied in private practices and has been developed by Ch. Geiser and E. Juchli (Wil/CH). The outcomes and the effectiveness of GFK have not been tested empirically so far. Thus, the present study is the first trial to evaluate GFK's outcomes empirically using a Phase IV- or effectiveness-design (according to M.E.P. Seligman). In addition to well established instruments (self-ratings of patients and therapists) such as SCL-90-R, IIP-D, BDI, BAI, B-L, and GAF questionnaires on life-satisfaction, psychological impairments in different areas of living, and on the global effectiveness of the therapy were used. For the assessment of the therapists' fidelity to the method (GFK) and of therapy process specific instruments were constructed.
The study started with 34 clients, 7 of these had finished their treatment after 6 months, 17 after one year, and 10 had dropped out prior to the regular ending of the therapies. Drop-outs and clients did not differ in socio-demographic and disease-characteristics, nor did clients of this study compared with those of other effectiveness studies from literature. The most prevailing diagnoses were affective disorders, neurotic and somatoform disorders (F3 and F4 according to ICD-10). Statistically significant improvements with medium to high effect sizes was found in most of the scales and the ratings by the therapists. Approximately 60-80% of the clients improved in a clinically significant way through their therapies.
It is concluded that GFK is an effective psychotherapeutic strategy.
Keywords:
Psychotherapy; Client-centered psychotherapy; Focusing; Body psychotherapy; Client-centered body psychotherapy; Psychotherapy research; Effectiveness; Therapy process.
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