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The Standardization of the Clock Drawing Test (CDT) for People with Stroke Using Rasch Analysis
[Purpose] The aim of this study was to standardize the clock drawing test (CDT) for people with stroke using Rasch analysis. [Subjects and Methods] Seventeen items of the CDT identified through a literature review were performed by 159 stroke patients. The data was analyzed with Winstep version 3.57...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Society of Physical Therapy Science
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3885845/ https://www.ncbi.nlm.nih.gov/pubmed/24409026 http://dx.doi.org/10.1589/jpts.25.1587 |
Sumario: | [Purpose] The aim of this study was to standardize the clock drawing test (CDT) for people with stroke using Rasch analysis. [Subjects and Methods] Seventeen items of the CDT identified through a literature review were performed by 159 stroke patients. The data was analyzed with Winstep version 3.57 using the Rasch model to examine the unidimensionality of the items’ fit, the distribution of the items’ difficulty, and the reliability and appropriateness of the rating scale. [Result] Ten out of the 159 participations (6.2%) were considered misfit subjects, and one item of the CDT was determined to be a misfit item based on Rasch analysis. The rating scales were judged as suitable because the observed average showed an array of vertical orders and MNSQ values < 2. The separate index and reliability of the subject (1.98, 0.80) and item (6.45, 0.97) showed relatively high values. [Conclusion] This study is the first to examine the CDT scale in stroke patients by Rasch analysis. The CDT is expected to be useful for screening stroke patients with cognitive problems. |
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