[1]李 佳,丁树良*,况天昊.区分度与测验进程相匹配的CAT选题策略[J].江西师范大学学报(自然科学版),2021,(04):384-389.[doi:10.16357/j.cnki.issn1000-5862.2021.04.10]
　LI Jia,DING Shuliang*,KUANG Tianhao.The Item Selection Strategy on Composing the Discrimination with the Test Process in CAT[J].Journal of Jiangxi Normal University:Natural Science Edition,2021,(04):384-389.[doi:10.16357/j.cnki.issn1000-5862.2021.04.10]
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区分度与测验进程相匹配的CAT选题策略()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年04期
页码:
384-389
栏目:
心理与教育测量
出版日期:
2021-08-10

文章信息/Info

Title:
The Item Selection Strategy on Composing the Discrimination with the Test Process in CAT
文章编号:
1000-5862(2021)04-0384-06
作者:
李 佳1; 丁树良1*; 况天昊2
1.江西师范大学计算机信息工程学院,江西 南昌 330022; 2.江西科技学院信息工程学院,江西 南昌 330098
Author(s):
LI Jia1; DING Shuliang1*; KUANG Tianhao2
1.School of Computer Information Engineering,Jiangxi Normal University,Nanchang Jiangxi 330022,China; 2.College of Information Engineering,Jiangxi University of Technology,Nanchang Jiangxi 330098,China
关键词:
计算机化自适应测验;  选题策略;  项目曝光控制;  题库利用率;  控制参数
Keywords:
CAT;  item selection strategy;  item exposure control;  item bank utilization;  control parameter
分类号:
B 841
DOI:
10.16357/j.cnki.issn1000-5862.2021.04.10
文献标志码:
A
摘要:
选题策略是计算机化自适应测验(CAT)的核心.该文提出了一种新的选题策略,是一种相对严格的“升a”方法,它选择区分度参数的百分等级尽可能接近测验进程的项目,而且还可以通过调整控制参数的取值来满足不同测验场景的需求.Monte Carlo实验结果表明:该方法在测验精度、项目曝光率控制和题库利用率等方面均表现良好.
Abstract:
The item selection strategy is an important content in computerized adaptive testing(CAT).A new item selection strategy about composing the percentile rank of the discrimination parameter for an item in the bank with the particular examinee's test process is introduced in this paper.The control parameter can be changed to meet the different test situations.New method has better performance through the Monte Carlo simulation method on improving the test precision,controlling item exposure and the utilization of the item bank.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-03-18
基金项目:国家自然科学基金(62067004,62067005,61967009)资助项目.
作者简介:李 佳(1979—),女,江西南昌人,讲师,主要从事计算机辅助教学和心理测量方面的研究.E-mail:1276676143@qq.com
通信作者:丁树良(1949—),男,江西樟树人,教授,主要从事计算机辅助教学和心理测量方面的研究.E-mail:ding06026@163.com
更新日期/Last Update: 2021-08-10