Abstract

目的 应用项目反应理论(Item Response Theory,IRT)编制中国应征青年数学推理测验. 方法 根据项目反应理论编制试题,并对1047名入伍一年的新兵进行测试,采用三参数Logistic模型(Three-Parameter Logistic Model,3PL)拟合数据,用因素分析的主成分方法检验数据单维性,利用BILOGMG软件估计项目参数,采用铆测验非等组设计进行参数等值以挑选最有效项目组成测验. 结果 四套测验第一特征值均超过第二特征值的4倍,符合单维性要求,基本拟合3PL,项目拟合度均在96%左右,最终选取66个项目组成正式测验,其信息量达到25.149,测量标准误为0.199. 结论 测验信息函数达到项目反应理论的要求,测验信度良好。

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