用非参数项目反应理论模型研究大规模教育考试维度的问题

  • 雷新勇
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雷新勇(1955—), 男, 安徽芜湖人, 副教授、博士, 上海市教育考试院命题办公室主任

收稿日期: 2007-04-01

  网络出版日期: 2007-10-30

摘要

大规模教育考试的维度与考试分数的意义解释、考生在考试中的行为表现解释密切相关。利用非参数项目反应理论模型选择试题组成单维量表, 可以达到研究考试维度的目的。选择单维量表试题时, 下界c值的确定, 是个值得探讨的问题。用非参数项目反应理论模型对英语考试的三个量表维度研究发现, 从每一个量表中只能选择出一个单维量表, 而不是与每一部分测量的微技能数相应的多个单维量表; 每一单维量表测量的均为该部分不同微技能的组合。这个特征表明这些单维量表均为基本单维量表, 非严格单维量表。无论c值为0.3, 还是0.2, 选择出的基本单维量表均满足弱单调性要求, 整个单维量表的区分功能不会有明显差异。

本文引用格式

雷新勇 . 用非参数项目反应理论模型研究大规模教育考试维度的问题[J]. 华东师范大学学报(教育科学版), 2007 , 25(3) : 57 -64, 69 . DOI: 10.16382/j.cnki.1000-5560.2007.03.003

Abstract

大规模教育考试的维度与考试分数的意义解释、考生在考试中的行为表现解释密切相关。利用非参数项目反应理论模型选择试题组成单维量表, 可以达到研究考试维度的目的。选择单维量表试题时, 下界c值的确定, 是个值得探讨的问题。用非参数项目反应理论模型对英语考试的三个量表维度研究发现, 从每一个量表中只能选择出一个单维量表, 而不是与每一部分测量的微技能数相应的多个单维量表; 每一单维量表测量的均为该部分不同微技能的组合。这个特征表明这些单维量表均为基本单维量表, 非严格单维量表。无论c值为0.3, 还是0.2, 选择出的基本单维量表均满足弱单调性要求, 整个单维量表的区分功能不会有明显差异。

参考文献

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