【独家发布】An Introduction to Item Response Theory and Rasch Analysis

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Itemresponsetheoryhasitsoriginsineducationalmeasurementandisnowcommonly applied in health-related measurement of latent traits, such as function and symptoms. This application is due, in large part, to gains in the precision of measurement attributable to item response theory and corresponding decreases in response burden, study costs, and study duration. The purpose of this paper is twofold: introduce basic concepts of item response theory and demonstrate this analyticapproachinaworkedexample,aRaschmodel(1PL)analysisoftheEating Assessment Tool (EAT-10), a commonly used measure for oropharyngeal dysphagia. The results of the analysis were largely concordant with previous studies of the EAT-10 and illustrate for brain impairment clinicians and researchers how IRT analysis can yield greater precision of measurement

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关键词：introduction Application troduction response Analysis

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jiandong4388 发表于 2018-8-27 20:18
Itemresponsetheoryhasitsoriginsineducationalmeasurementandisnowcommonly applied in health-related me ...

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