[1]谷伟.基于项目反应理论自适应测试系统的设计实现[J].计算机技术与发展,2013,(12):175-178.
 GU Wei.Design and Implementation of Self-adaptive Test System Based on Item Response Theory[J].,2013,(12):175-178.
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基于项目反应理论自适应测试系统的设计实现()
分享到:

《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2013年12期
页码:
175-178
栏目:
应用开发研究
出版日期:
1900-01-01

文章信息/Info

Title:
Design and Implementation of Self-adaptive Test System Based on Item Response Theory
文章编号:
1673-629X(2013)12-0175-04
作者:
谷伟
上海建桥学院 信息技术学院
Author(s):
GU Wei
关键词:
项目反应理论自适应学习特质水平难度系数
Keywords:
item response theoryself adaptive learningcharacteristic leveldifficulty coefficient
文献标志码:
A
摘要:
根据自适应学习的特点,对项目反应理论的参数模型进行分析,提出极大似然估算法计算学习者能力参数。并在分析自适应测试系统的体系结构及系统主要功能模块的基础上,构建该测试系统;并提出了测试系统中首题估算策略、信息间隔量估算策略,从而提高出题速度和计算速度;并根据学习者的实际测试情况得出难度系数和特质水平,实现了难度系数算法和学习者特征水平计算算法。在此基础上开发了一个基于计算机应用基础课程的自适应测试系统
Abstract:
According to the adaptive learning characteristics,analyzing the model of parameter about item response theory,use maximum likelihood estimation method to calculate learner ability parameters. Based on the main function of system structure and system analysis of adaptive test system module,construct the test system,and put forward the question estimation strategy and information interval estimation strategy of the testing system,so as to improve the test speed and computing speed. Calculate the learner characteristic level and question's difficulty coefficient according to the learner's actual test,and develop the adaptive test system based on computer basis course

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更新日期/Last Update: 1900-01-01