在计算机化自适应测试许可考试中检测折衷项目的基于混合阈值的顺序程序。

IF 2.1 3区 心理学 Q2 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS
Chansoon Lee, Hong Qian
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引用次数: 1

摘要

本研究运用经典测试理论和项目反应理论,在变长计算机自适应测试(CAT)的实际操作项目池中,采用顺序程序来检测可能危及安全性的项目。此外,本研究提出了一种混合阈值方法来提高序列过程的检测能力,同时控制I型错误率。混合阈值方法在CAT管理的早期阶段对每个项目使用一个局部阈值,然后在决策阶段使用全局阈值。应用各种仿真因素,进行了一系列仿真研究,考察了哪些因素对程序的功率率和滞后时间有重要影响。除了模拟研究之外,一个案例研究调查了这些过程是否适用于在CAT中管理的实际项目池,并可以识别池中潜在的受损项目。本研究发现,正确答案的概率增量(p-增量)是序列程序检测受损物品能力最重要的模拟因素。本研究还发现,当p增量较小时,局部阈值方法提高了功率率并缩短了滞后时间。本研究的发现可以帮助从业者在实时CAT管理中使用混合阈值方法实施顺序程序。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Hybrid Threshold-Based Sequential Procedures for Detecting Compromised Items in a Computerized Adaptive Testing Licensure Exam.

Hybrid Threshold-Based Sequential Procedures for Detecting Compromised Items in a Computerized Adaptive Testing Licensure Exam.

Hybrid Threshold-Based Sequential Procedures for Detecting Compromised Items in a Computerized Adaptive Testing Licensure Exam.

Using classical test theory and item response theory, this study applied sequential procedures to a real operational item pool in a variable-length computerized adaptive testing (CAT) to detect items whose security may be compromised. Moreover, this study proposed a hybrid threshold approach to improve the detection power of the sequential procedure while controlling the Type I error rate. The hybrid threshold approach uses a local threshold for each item in an early stage of the CAT administration, and then it uses the global threshold in the decision-making stage. Applying various simulation factors, a series of simulation studies examined which factors contribute significantly to the power rate and lag time of the procedure. In addition to the simulation study, a case study investigated whether the procedures are applicable to the real item pool administered in CAT and can identify potentially compromised items in the pool. This research found that the increment of probability of a correct answer (p-increment) was the simulation factor most important to the sequential procedures' ability to detect compromised items. This study also found that the local threshold approach improved power rates and shortened lag times when the p-increment was small. The findings of this study could help practitioners implement the sequential procedures using the hybrid threshold approach in real-time CAT administration.

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来源期刊
Educational and Psychological Measurement
Educational and Psychological Measurement 医学-数学跨学科应用
CiteScore
5.50
自引率
7.40%
发文量
49
审稿时长
6-12 weeks
期刊介绍: Educational and Psychological Measurement (EPM) publishes referred scholarly work from all academic disciplines interested in the study of measurement theory, problems, and issues. Theoretical articles address new developments and techniques, and applied articles deal with innovation applications.
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