title: Differential change in integrative psychotherapy: a re-analysis of a change-factor based RCT in a naturalistic setting.
abstract: General Psychotherapy (GPT; Grawe, 1997) is a research-informed psychotherapy that combines cognitive-behavioral and process-experiential techniques and that assumes motivational clarification and problem mastery as central mechanisms of change. To isolate the effect of motivational clarification, GPT was compared to a treatment that proscribed motivational clarification (General Psychotherapy Minus Clarification, GPT-C) in a randomized-controlled trial with 67 diagnostically heterogeneous outpatients. Previous analyses demonstrated equal outcomes and some superiority for highly avoidant patients in GPT. Re-analyses using causal-analytic methods confirmed equal changes, but also showed superior effects for GPT in highly symptomatic patients. Results are discussed regarding theory, methodological limitations, and implications for research and practice.
authors.affiliation: Psychology, University of Zurich, Zurich, Switzerland. grosse@psychologie.uzh.ch
authors.forename: Martin Grosse
authors.initials: MG
authors.lastname: Holtforth
authors.forename: Katharina
authors.initials: K
authors.lastname: Wilm
authors.forename: Stefanie
authors.initials: S
authors.lastname: Beyermann
authors.forename: Annemarie
authors.initials: A
authors.lastname: Rhode
authors.forename: Stephanie
authors.initials: S
authors.lastname: Trost
authors.forename: Rolf
authors.initials: R
authors.lastname: Steyer
mesh_terms: D000328:Adult; D015928:Cognitive Behavioral Therapy / Q000379:methods; D003627:Data Interpretation, Statistical; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D001523:Mental Disorders / Q000628:therapy; D009042:Motivation; D010349:Patient Compliance; D011613:Psychotherapy / Q000379:methods; D016896:Treatment Outcome