Examining response shifts in the Clinical Outcomes in Routine Evaluation- Outcome Measure (CORE-OM)

Aja Murray, Karen McKenzie, Kara Murray, Marc Richelieu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
3 Downloads (Pure)

Abstract

Response shifts can be defined as a change in the way that a respondent interprets and responds to symptom questionnaire items, over and above true changes in their symptoms. Response shifts are liable to occur as a result of psychotherapy and can undermine evaluations of the effectiveness of psychotherapy interventions by making pre- and post- intervention scores non-comparable. We evaluated whether such response shifts were in evidence in the Clinical Outcomes in Routine Evaluation- Outcome Measure (CORE-OM) and how this affected the comparisons of group-level scores before and after counselling intervention. We found that response shifts were minimal, making it likely that they can be easily addressed by testing group-level change within an appropriate latent variable model, rather than relying on observed scores.
Original languageEnglish
JournalBritish Journal of Guidance and Counselling
Early online date7 Jun 2018
DOIs
Publication statusE-pub ahead of print - 7 Jun 2018

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