Detection of Differential Item Functioning(DIF) Using the Mean and Covariance Structure Analysis Model 运用均数与协方差结构模型侦查项目功能差异
Currently, there are several methods for identify Differential Item Functioning(DIF), which are in confirmatory factor analysis and item response theory fields. 目前在验证性因素分析(CFA)和项目反应理论(IRT)两个领域,都有一些检验方法来识别项目功能差异(DIF)。
Differential Item Functioning(DIF) : A Comparison of Methods Based on CFA and IRT 检验项目功能差异的两类方法&CFA和IRT的比较
At last, the application of Differential item functioning in Clinical questionnaire at home and abroad is discussed. 简介国内外有关项目功能差异在跨文化临床问卷分析中的应用。
Theory survey part introduces some concepts relative to Item Bias 、 Item Impact 、 Item Response Theory and Differential Item Functioning(DIF), the present domestic and overseas research development in gender DIF of language testing, and some ordinary methods for DIF detection. 理论综述部分主要介绍了项目偏差、项目影响、项目反映理论、项目功能差异的有关概念、目前国内外语言测试性别项目功能差异(DIF)的研究状况以及检测DIF的一些常用方法。