项目反应理论在考试系统试题库中的应用

摘要

介绍了在网络考试系统中，经典测试理论（CCT）和项目反应理论（IRT）的优缺点，项目反应理论（IRT）理论模型及其应用，可以实现网络考试系统在组合试卷题目时，全面解决考试等值问题及参数估计更为准确等问题，使得考试系统能更科学地挑选试题。%This paper introduces the advantages and disadvantages of CCT and IRT in network test system, and IRT theoretical model and its application. This can offer a comprehensive solution of test equivalence and parameter estimation so as to help test system select test papers more scientifically.