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Reliability and Validity of Scores from the Foot and Ankle Ability Measure: A Rasch Analysis

机译：足踝能力测验评分的可靠性和有效性：Rasch分析

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Category:AnkleIntroduction/Purpose:A commonly used measure of ankle function is the Foot and Ankle Ability Measure (FAAM). To support interpretation of the FAAM, evidence of reliability and validity must be established. Some studies have assessed FAAM scores; however, these studies had small sample sizes, sample characteristics that may limit generalizability, and did not report reliability estimates. These studies were also unable to account for person ability and item difficulty, a unique feature Rasch modeling offers, which is key when attempting to generalize to other populations. The purpose of this study was to determine whether there is evidence of reliability and validity for the FAAM ADL and Sport scales, utilizing the Rasch model, in patients who have undergone surgical intervention for the treatment of an ankle injury.Methods:Evidence of reliability and validity were determined utilizing the Rasch measurement model, a special case of item response theory, which has been used to develop new pati...
机译：类别：脚踝简介/目的：一种常用的脚踝功能度量是“脚和脚踝能力度量（FAAM）”。为了支持FAAM的解释，必须建立可靠性和有效性的证据。一些研究评估了FAAM分数。但是，这些研究的样本量较小，样本特征可能会限制一般性，并且没有报告可靠性估计。这些研究也无法解释人的能力和项目难度，这是Rasch建模提供的独特功能，这在尝试推广到其他人群时至关重要。本研究旨在通过Rasch模型确定在接受外科手术治疗踝关节损伤的患者中FAAM ADL和Sport量表的信度和效度是否存在证据。使用项目响应理论的特例Rasch度量模型确定有效性，该模型已用于开发新的模型。

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