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Design and Implementataion of Computer Adaptive Test System Based on Campus Intranet

Author: WeiQunFeng
Tutor: DiYuQing；BaoLei
School: Southeast University
Course: Applied Computer Technology
Keywords: Adaptive Test Item Response Theory Fuzzy nearness Knowledge model
CLC: TP311.52
Type: Master's thesis
Year: 2006
Downloads: 326
Quote: 6
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Abstract


With the development of item response theory , adaptive exam to become a hot and its research on computer-aided education test meaningful , but the existing adaptive testing system , determine exam project parameters , the general need to collect a large number of experiments sample matrix iterative method and project parameters by maximum likelihood estimation method , which takes a lot of manpower, material and time . Second only to focus on testing and evaluation of the test is ignored . This paper proposes a new exam system model , whose basic idea is : topic determined through expert advice and the way combined maximum likelihood wears , initial parameters , then in the testing process , the joint maximum likelihood method to adjust the topic of quality parameters and characteristics of parameters , in order to improve the quality and efficiency of the system . In addition to the bank system , the knowledge-based points system to analyze the test results , feedback related knowledge to grasp the situation information . The model has the efficient , practical features . The main work of this paper is based on the adaptive the exam system model for this core , designed and implemented based the the school nets parks Adaptive Testing System (Web-based Computer Adaptive Test System, is abbreviated as WebCATS ) , the system uses B / S architecture , the environment is ASP.NET. Will realize the environment is limited to the campus network , the main considerations based technologies and applications , this can be simplified , such as security issues , user identification problems . This paper is divided into seven chapters , the first chapter expounds the thesis background , home and abroad Adaptive Testing System Research thesis goals , major research and thesis structure arrangements ; second chapter studies based on item response theory adaptive testing system model construction ; Chapter About WebCATS analysis and design ; Chapter discuss WebCATS prototype realization ; fifth chapter analyzes the security risks exist in the school network park environment , from network and system-level , user-level and database The multiple - level system protection . Chapter VI discusses the the the Web engineering test theory and software testing process . Finally, a summary of system design and development process and look forward to the development trend of adaptive testing system , and propose future research directions .

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