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The Application of IRT in Item Bank Construction of "Modern Educational Technology"

Author: ZhangZuoZuo
Tutor: LuHong
School: Shandong Normal University
Course: Educational Technology
Keywords: Item Response Theory Exam Parameter Estimation Test equating Selection Strategies Information Functions
CLC: TP311.52
Type: Master's thesis
Year: 2011
Downloads: 103
Quote: 0
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Abstract


With the development of information technology, computer technology has been applied to a large number of educational measurement which has changed the traditional pen and paper as a tool to measure the means to bring great changes to the educational measurement, but also makes the bank system-based computer-aided test was a great development. A well-constructed, fully functional for testing the accuracy of the bank system has important significance. Modern educational technology is a breakthrough in the current educational reform, it can be driven through the application of educational ideas and concepts updates, promote educational contents, modes and means of education reform, so \a course. But the creation of this course Teachers Colleges As every year many students attend the course exam, the traditional way of the written test paper, examiners, performance statistics, analysis and other papers are facing challenges. Based on this, the \Thesis, literature analysis and experimental research, development status exam in the introduction, based on in-depth study of the theoretical basis of exam - item response theory, focusing on analysis of the exam construction principles and processes, including model selection, parameter estimation, test equating, selection strategy and determine the initial parameter values ??and test termination conditions and other links. Where the parameter estimation, test equating and selection strategies is the key also difficult, parameter estimation in this article uses a combination of maximum likelihood estimation method to achieve the ability parameters were tested with the dual questions Item Parameter estimation, is also related to the implementation of this article research focus. Riveting test equating process used to test the parameters on the same scale among the strategies applied in the test paper topics Quiz Quiz target information function to guide the preparation and use of the most informative method for project selection. On this basis, and subject matter experts conducted in-depth exchanges, expand the \In all the preliminary work is completed, to begin the process of building-related exam, using Visual C development environment to achieve the parameter estimation process and ASP technology and database technology with the support of the initial realization of adaptive testing. Article concludes with a summary of the problems and pointed out the direction of future research.

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