自适应测试与辅导系统设计与实现

Design and Implementation of an Adaptive Testing and Tutoring System

Internet 的出现促进了教育环境进一步提升，可以将传统教学中的学生学习诊断与辅导延伸到网上进行。文章提出一个基于IRT 的网络自适应测试与辅导系统，在阐述CAT 的理论基础之后，给出系统的结构设计和运行流程。该系统应用于“大学英语语法与词汇（四级）”网络测试与辅导，能够实现对学生自适应测试与个性化辅导，使学生的课后学习取得理想效果。

The appearance of Internet provides a strong method that can break through astrict of traditional education, and provides a convenient way and environment. The traditional learning testing and tutoring can be used to students through Internet. This paper presents an adaptive testing and tutoring system based on Item Response Theory (IRT). The architecture of this system, the working flow and the function of main modules are specified. Finally, the effectiveness of the system is proved.