| 基于项目反应理论多级评分的大学英语考试评价模型 |
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| 引用本文： | 纪兰芬,芦殿军.基于项目反应理论多级评分的大学英语考试评价模型[J].青海师范大学学报(自然科学版),2013(4):68-70. |
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| 作者姓名： | 纪兰芬 芦殿军 |
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| 作者单位： | [1]青海师范大学外语系,青海西宁810008 [2]青海师范大学数学系,青海西宁810008 |
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| 摘 要： | 大学英语的教学效果涉及全国几百万学子的外语能力,其意义直接影响着我国经济和社会的发展.作为一种经典的能力测验评分手段,项目反应理论应用于大学英语教学效果的评价是一种新的尝试.本文利用项目反应理论,对大学英语考试构建了一个多级评分的考生能力评价模型,它可以作为单级评分的二参数logistic模型的推广.同时对于能力参数,我们给出了极大似然估计的迭代步骤.
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| 关 键 词： | 项目反应理论 多级评分 大学英语 模型 |
College English Test Evaluation Model Based on Multilevel Scoring of Item Response Theory |
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| JI Lan-fen,LUDian-jun.College English Test Evaluation Model Based on Multilevel Scoring of Item Response Theory[J].Journal of Qinghai Normal University(Natural Science Edition),2013(4):68-70. |
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| Authors: | JI Lan-fen LUDian-jun |
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| Institution: | 1. Foreign Language Department, Qinghai Normal University, Xining 810008, China; 2. Department of Mathematics, Qinghai Normal University, Xining 810008, China) |
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| Abstract: | The teaching effect of college English involves learning competence of thousands of students,its significance has immediate influence on the development of economy and society. As a classic way of ability test scoring, using item response theory to evaluate college English teaching effect is a new attempt. This paper constructs a multilevel scoring of examinee ability evaluation model for college English test, it can also be used as promotion of a single level scoring of two parameters logistic model. At the same we give the iteration steps of maximum likelihood estimation. |
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| Keywords: | item response theory multilevel scoring college english model |
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