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Matteo Bugatti; Yixiao Dong; Jesse Owen; Zachary Richardson; Wendy Rasmussen; Douglas Newton – Measurement and Evaluation in Counseling and Development, 2024
Measurement-based care, an evidence-based practice endorsed by the American Psychological Association, is underpinned by routine assessment supporting a data-driven approach to clinical decision making. Nonetheless, there is a need for brief, nonproprietary measures assessing non-symptom-based outcomes. The present study examined the psychometric…
Descriptors: Psychotherapy, Psychometrics, Outcomes of Treatment, Test Validity
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Toland, Michael D.; Li, Caihong; Kodet, Jonathan; Reese, Robert J. – Measurement and Evaluation in Counseling and Development, 2021
We assessed the psychometric properties of the visual analog scale (VAS) form of the Outcome Rating Scale (ORS) using item response theory (IRT) with a sample of 2,109 Canadian counseling clients. Findings indicate that the ORS was unidimensional and that the equal-interval assumption was not tenable for the VAS.
Descriptors: Rating Scales, Psychometrics, Item Response Theory, Psychotherapy