[1]戴勰,甘登文,丁树良.结合影子题库的选题策略[J].江西师范大学学报(自然科学版),2013,(06):657-660.
　DAI Xie,GAN Deng-wen,DING Shu-liang.New Item Selection Method Combining with Shadow Bank[J].Journal of Jiangxi Normal University:Natural Science Edition,2013,(06):657-660.
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结合影子题库的选题策略()
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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:
2013年06期
页码:
657-660
栏目:
出版日期:
2013-12-31

文章信息/Info

Title:
New Item Selection Method Combining with Shadow Bank
作者:
戴勰;甘登文;丁树良
江西师范大学计算机信息工程学院,江西南昌,330022
Author(s):
DAI Xie；GAN Deng-wen；DING Shu-liang
关键词:
计算机化自适应测验; 影子题库; 按a分层; 按最大信息量分层
Keywords:
computerized adaptive testing; shadow bank; a-STR; MIS
分类号:
B841.7；TP301.6
文献标志码:
A
摘要:
高效安全的选题策略是计算机化自适应测验追求的目标.最大Fisher信息量选题测验效率高、能力估计准确,但项目调用不均匀,影响考试的安全;而增设影子题库能较好地平衡项目调用的均匀性.根据上述2种选题策略的优缺点,在0-1评分模型下,结合影子题库得到一种新的选题策略,并在按a分层、按最大信息量分层中引入了新的选题方法.计算机模拟实验显示:新的选题方法效果比较理想.
Abstract:
Computerized Adaptive Testing(CAT)has been in pursuit of the goal is to develop both efficient and safe item selection strategies.It is well known that there is a typical selection strategy called Maximum Fisher Information(MFI).However,this strategy has its advantages together with its downsides.On the one hand,MFI method can obtain high efficiency and accurate estimation of ability; on the other hand,its uneven item selection may lead to the insecurity of examination.Meanwhile,though shadow bank can be a good method of the item called evenly,it may result in the inefficiency of the test.Taking the advantages and disadvantages of the two selection strategies in the 0-1 scored CAT into consideration,a new item selection strategy is proposed in this paper,and pull this new method in a-Stratification(a-STR)and Maximum Information Stratification(MIS).The computer simulation shows that the new method works ideally.

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备注/Memo

备注/Memo:
国家自然科学基金(30860084,31160203,31100756,31360237,31300876)；国家社会科学基金(12BYY055)；江西省教育厅科技计划(GJJ13207,GJJ13227,GJJ13226,GJJ13208,GJJ13209,13JY01)
更新日期/Last Update: 1900-01-01