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2006•Computer and ModernizationRequires access

Research on Theory Model of Computer Adaptive Test

Cheng Yan

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Abstract

This paper expatiates on two main theories of instructional test,including classical test theory(CTT) and item response theory(IRT).IRT is the theoretical basis of computer adaptive test(CAT),which has the superiority over CTT.Here expounds the characteristics of IRT,several IRT models,and the basic theory of Logistic model with a representation of three-parameter Logistic model.

About this research paper

What this paper is about

This paper expatiates on two main theories of instructional test,including classical test theory(CTT) and item response theory(IRT).IRT is the theoretical basis of computer adaptive test(CAT),which has the superiority over CTT.Here expounds the characteristics of IRT,several IRT models,and the basic theory of Logistic model with a representation of three-parameter Logistic model.

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Available abstract

This paper expatiates on two main theories of instructional test,including classical test theory(CTT) and item response theory(IRT).IRT is the theoretical basis of computer adaptive test(CAT),which has the superiority over CTT.Here expounds the characteristics of IRT,several IRT models,and the basic theory of Logistic model with a representation of three-parameter Logistic model.

Key concepts: Computerized adaptive testing, Item response theory, Computer science, Test (biology), Representation (politics), Classical test theory, Basis (linear algebra), Test theory

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