ArticleQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation2018
Procedures to develop a computerized adaptive test to assess patient-reported physical functioning.
Article in Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Rasch Validation of the FRTVMI in Arab Adolescents: Cultural and Gender Considerations in Visual-Motor Assessment.Occupational therapy international · 2026Article
- Functional Capacity Evaluation Research: Report from the Fourth International Functional Capacity Evaluation Research Meeting.Journal of occupational rehabilitation · 2020Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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Abstract
purposeThe purpose of this paper is to demonstrate the procedures to develop and implement a computerized adaptive patient-reported outcome (PRO) measure using secondary analysis of a dataset and items from fixed-format legacy measures.
methodsWe conducted secondary analysis of a dataset of responses from 1429 persons with work-related lower extremity impairment. We calibrated three measures of physical functioning on the same metric, based on item response theory (IRT). We evaluated efficiency and measurement precision of various computerized adaptive test (CAT) designs using computer simulations.
resultsIRT and confirmatory factor analyses support combining the items from the three scales for a CAT item bank of 31 items. The item parameters for IRT were calculated using the generalized partial credit model. CAT simulations show that reducing the test length from the full 31 items to a maximum test length of 8 items, or 20 items is possible without a significant loss of information (95, 99% correlation with legacy measure scores).
conclusionsWe demonstrated feasibility and efficiency of using CAT for PRO measurement of physical functioning. The procedures we outlined are straightforward, and can be applied to other PRO measures. Additionally, we have included all the information necessary to implement the CAT of physical functioning in the electronic supplementary material of this paper.
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