An Evaluation of Single-Session Therapy in the UK

Abstract

Paper one systematically reviewed UK-based evaluations of single-session therapy (SST) and the evidence for their effectiveness. The review utilised five bibliographic databases and appraised the methodological quality of the 21 articles that were included. Seven modalities of SST were identified in the UK, and most included papers concerned motivational interviewing or cognitive behavioural therapy. Only one paper including qualitative data was included. Most included papers were methodologically poor. Some indications were found for the effectiveness of SST. Future studies evaluating SST should specify primary outcome measures, incorporate qualitative data, and show improved methodological rigour. A randomised controlled trial comparing different SSTs is warranted. One therapy session may suffice for some patients. Paper two sought to evaluate the feasibility of delivering single-session method of levels therapy in primary care, recruiting participants, and retaining participants. It also aimed to evaluate the acceptability of single-session MOL and to seek data to discern its potential effect size in primary care. Standardised measures were administered before and after participants received the single session of MOL. Effect sizes were calculated from mean scores and standard deviations. Some qualitative feedback was gained through questionnaires and interviews. The recruitment target of 25 participants was met. 13 participants returned post-session measures. This number was below the pre-specified retention threshold of 80% of participants. The intervention appeared to be largely acceptable. A randomised controlled trial may be feasible and justifiable if retention can be increased. To this end, financial incentives should be considered. Paper three offers a critical reflection concerning the research process. It discusses the findings of the review and empirical papers and their implications for further research and clinical practice. Paper three also considers the limitations and strengths of the entire research project and the decisions that were taken during its course.

Date of Award	27 Nov 2024
Original language	English
Awarding Institution	The University of Manchester
Supervisor	Sara Tai (Co Supervisor) & Robert Griffiths (Main Supervisor)