Enhancing treatment fidelity in psychotherapy research: novel approach to measure the components of cognitive behavioural therapy for relapse prevention in first-episode psychosis
Mario Alvarez-Jimenez, Darryl Wade, Sue Cotton, Donna Gee, Tracey Pearce, Kingsley Crisp, Patrick D McGorry, John F Gleeson
AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY | SAGE PUBLICATIONS LTD | Published : 2008
OBJECTIVES: Establishing treatment fidelity is one of the most important aspects of psychotherapy research. Treatment fidelity refers to the methodological strategies used to examine and enhance the reliability and validity of psychotherapy. This study sought to develop and evaluate a measure specifically designed to assess fidelity to the different therapeutic components (i.e. therapy phases) of the individual intervention of a psychotherapy clinical trial (the EPISODE II trial). METHOD: A representative sample of sessions stratified by therapy phase was assessed using a specifically developed fidelity measure (Relapse Prevention Therapy-Fidelity Scale, RPT-FS). Each RPT-FS subscale was des..View full abstract
The EPISODE II trial was funded by an independent research grant from Eli Lilly via the Lilly Melbourne Academic Psychiatric Consortium. The present study was further funded by a grant from the Marques de Valdecilla Public Foundation-Marque's de Valdecilla Research Institute (FMV-IFIMAV), Santander, Spain. The authors report no additional financial or other affiliation relevant to the subject of this article. The authors acknowledge Dr Cesar Gonzalez-Blanch of University Hospital Marques de Valdecilla, Santander, Spain, and Sara Gook, Joe Buckby, Dr Sarah Bendall and Dr Sarah Hetrick of ORYGEN Research Centre/University of Melbourne for helpful comments on an earlier draft of this article.