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Polytomous Latent Scales for the Investigation of the Ordering of Items

机译:用于项目订购调查的多级潜在量表

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摘要

We propose three latent scales within the framework of nonparametric item response theory for polytomously scored items. Latent scales are models that imply an invariant item ordering, meaning that the order of the items is the same for each measurement value on the latent scale. This ordering property may be important in, for example, intelligence testing and person-fit analysis. We derive observable properties of the three latent scales that can each be used to investigate in real data whether the particular model adequately describes the data. We also propose a methodology for analyzing test data in an effort to find support for a latent scale, and we use two real-data examples to illustrate the practical use of this methodology.
机译:在多参数评分项目的非参数项目响应理论的框架内,我们提出了三个潜在量表。潜在标度是暗示不变项目顺序的模型,这意味着潜在标度上每个测量值的项目顺序都相同。此排序属性在例如智力测试和人员适应分析中可能很重要。我们推导了三个潜在标度的可观察属性,每个潜在标度可用于调查实际数据中特定模型是否充分描述了数据。我们还提出了一种分析测试数据的方法,以寻求对潜在规模的支持,并且我们使用两个实际数据示例来说明此方法的实际使用。

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