Latent structureScale / measurement
多类别项目功能差异 (Polytomous DIF)
多类别项目功能差异 (Polytomous DIF) 用于检测具有两个以上有序响应类别（例如，李克特量表、部分计分项目）的测试或调查项目，在控制了所测量的潜在特质后，在不同群体（如性别、种族或语言背景）之间是否存在功能差异。它将经典的二分类项目功能差异方法扩展到有序响应格式。
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来源
- Zumbo, B. D. (1999). A handbook on the theory and methods of differential item functioning (DIF): Logistic regression modeling as a unitary framework for binary and Likert-type (ordinal) item scores. Directorate of Human Resources Research and Evaluation, Department of National Defense. link ↗
- Osterlind, S. J. & Everson, H. T. (2009). Differential Item Functioning (2nd ed.). SAGE Publications. ISBN: 978-1412954945
如何引用本页
ScholarGate. (2026, June 3). Polytomous Differential Item Functioning. ScholarGate. https://scholargate.app/zh/psychometrics/polytomous-differential-item-functioning
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- 验证性因子分析（CFA）心理测量学↔ compare
- 分级反应模型 (GRM)心理测量学↔ compare
- 项目反应理论 (IRT)心理测量学↔ compare
- 测量不变性检验心理测量学↔ compare