摘要： 基于题目反应理论，给出了机助自适应考试系统的基本流程及其算法．并实现了基于局域网的汉语机助自适应考试系统——ＨｙＣａｔｓ．

关键词: 机助自适应考试, 题目反应理论, 汉语机助自适应考试系统

Abstract: This paper gives the process and the algorithms of computerized adaptive testing based on item response theory. We implement a prototype of a CAT system HyCats, which is running on LAN.