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首页> 外文期刊>Educational and Psychological Measurement >Assessing Impact, DIF, and DFF in Accommodated Item Scores: A Comparison of Multilevel Measurement Model Parameterizations
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Assessing Impact, DIF, and DFF in Accommodated Item Scores: A Comparison of Multilevel Measurement Model Parameterizations

机译：评估适应项得分中的影响，DIF和DFF：多级测量模型参数化的比较

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摘要

This pedagogical article is intended to explain the similarities and differences between the parameterizations of two multilevel measurement model (MMM) frameworks. The conventional two-level MMM that includes item indicators and models item scores (Level 1) clustered within examinees (Level 2) and the two-level cross-classified MMM (in which item scores are cross-classified by two Level 2 classifications including item and examinee) are discussed. A small subset of National Assessment of Educational Progress 4th grade mathematics item scores is used to demonstrate use of the MMMs for assessing facets of the validity of accommodated test scores. The models' similarities and distinctions are emphasized as well as the flexibility of the models' extensions.
机译：本文旨在解释两个多级测量模型（MMM）框架的参数化之间的异同。常规的两级MMM，其中包括项指标和模型项得分（级别1），并集聚在考生（级别2）中和两级交叉分类的MMM（其中，项得分由包括项的两个2级分类进行交叉分类和考生）进行讨论。国家教育进步评估四年级数学项目分数的一小部分用于演示使用MMM来评估所容纳考试分数有效性的各个方面。强调了模型的相似性和区别以及模型扩展的灵活性。

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