A Study on SPRT Termination Criterias Application in Computer Mastery Test based on the Graded Response Model

摘要：

Sequential Probability Ratio Test (SPRT) is a termination criteria commonly used in Computerized Mastery Test(CMT). Although the SPRT has been applied into CMT based on dichotomous IRT Models widely, few study has been done on the Graded Response ModeI (GRM). SPRT applied into CMT based on GRM is implemented with Monte Carlo computer simulation method. The results of the simulation show that the enlarging of the IR size will improve the efficiency of CMT; the accuracy of classification will increase with the enlarging of IR first, and then will decrease with the enlarging of IR when IR reaches to a value. The efficiency of CMT is higher with the larger value of α and β, but at this time, the accuracy of classification is different with the difference of the cutscores; finally, the results show that SPRT has good stability.

关键词： CMT SPRT GRM

作者: Dezhi Chen Haiqi Dai Fenfang Li

作者单位: ZheJiang Normal University NanChang, China Psychological College of JiangXi Normal University HangZhou, China Chongqing Yangtze Normal University Chongqing, China

会议类型: 国际会议

会议名称: 2010 International Conference on Intelligent Computation Technology and Automation(2010 智能计算技术与自动化国际会议 ICICTA 2010)

会议地点: 长沙

会议语种:英文

页码: 377-380

在线出版日期: 2010-05-11（万方平台首次上网日期，不代表论文的发表时间）