Latent structureScale / measurement
稳健项目分析
稳健项目分析将抗离群值统计方法应用于测试或量表单个项目（item）的评估。它不使用对极端分数敏感的经典均值和皮尔逊相关系数，而是采用截尾均值（trimmed means）、Winsorized相关系数或M估计量（M-estimators）来获得项目难度和项目-总计相关（item-total discrimination）指数，这些指数在受试者分布偏斜或被离群值污染时仍能保持稳定。
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Method map
The neighbourhood of related methods — select a node to explore.
来源
- Wilcox, R. R. (2012). Introduction to Robust Estimation and Hypothesis Testing (3rd ed.). Academic Press. ISBN: 978-0123869838
- Huber, P. J. & Ronchetti, E. M. (2009). Robust Statistics (2nd ed.). Wiley. ISBN: 978-0470129906
如何引用本页
ScholarGate. (2026, June 3). Robust Item Analysis. ScholarGate. https://scholargate.app/zh/psychometrics/robust-item-analysis
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.
- 差异项目功能 (DIF)心理测量学↔ compare
- 探索性因子分析（EFA）统计学↔ compare
- 项目反应理论 (IRT)心理测量学↔ compare
- 鲁棒性可靠性分析实验设计↔ compare
- 量表开发心理测量学↔ compare