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Modeling the Effects of Person Group Factors on Discrimination

机译：模拟人群组因素对歧视的影响

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摘要

Discrimination has traditionally been parameterized for items but not other empirical factors. Consequently, if person factors affect discrimination they cause misfit. However, by explicitly formulating the relationship between discrimination and the unit of a metric, it is possible to parameterize discrimination for person groups. This article applies the Rasch model with a person group discrimination parameter to demonstrate the empirical effect of a person group factor on the degree of discrimination. The model is applied to the responses of students in different grades of schooling to a reading test, resulting in improved equating and fit of the data to the model. A simulation study confirms the efficacy of the model and tests of fit. Applied implications are discussed.
机译：传统上，区分项是针对项目进行参数化的，而没有其他经验因素。因此，如果人为因素影响歧视，则它们会导致失配。但是，通过明确表述歧视与度量单位之间的关系，可以对个人群体的歧视进行参数化。本文将Rasch模型与人群组歧视参数一起使用，以证明人群组因素对歧视程度的经验影响。该模型适用于不同年级的学生对阅读测试的反应，从而改善了数据的均衡性和拟合度。仿真研究证实了模型和拟合检验的有效性。讨论了应用含义。

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