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UNDERSTANDING DIAGNOSTIC TEST RESULTS: DEVELOPMENT OF THE KNOWLEDGE OF DIAGNOSTIC TEST SCALE

机译:理解诊断测试结果:诊断测试量表知识的发展

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As there are an increasing number of medical tests, it is even more important that patients understand theresults from diagnostic tests in order to increase their probability of making accurate, informed decisionsabout their healthcare. The current paper outlines the development of the Knowledge of Diagnostic Testscale (KDT), a new instrument designed to measure the ability to understand the methodology of diagnostictesting and to apply diagnostic test results to accurate informed decision-making. Using Item ResponseTheory (IRT) in two studies, we investigated items to create an efficient measure of knowledge ofdiagnostic tests. Results suggested three items had desirable psychometric properties (i.e., ofdiscriminability and difficulty) for measuring an average person’s diagnostic test knowledge. Implicationsfor use in healthcare settings are briefly discussed.
机译:随着医学测试数量的增加,让患者了解诊断测试的结果以提高他们做出有关医疗保健的准确,明智的决定的可能性就显得尤为重要。本文概述了诊断测试量表知识(KDT)的发展,该知识量表是一种新仪器,旨在测量了解诊断测试方法并将诊断测试结果应用于准确的明智决策的能力。在两项研究中使用项目响应理论(IRT),我们调查了项目以创建对诊断测试知识的有效度量。结果表明,三项具有衡量普通人的诊断测试知识所需的心理测量特性(即,可区分性和难度)。简要讨论了在医疗机构中使用的含义。

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