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  5. TEST PARAMETERS ESTIMATION BASED ON IRT MODEL

TEST PARAMETERS ESTIMATION BASED ON IRT MODEL

М.S. Mazorchuk, V.S. Dobryak, К.А. Goncharova
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In this article existing models of test parameters estimation are analyzed. The unified system of testing and calculating of the test basic parameters is offered based on the results of the analysis. A mathematical model for test parameter calculating is based on Item Response Theory. The example shows the calculations of basic parameters of the test tasks.
Keywords: Classical Test Theory, Item Response Theory, Automated Test System, test reliability, Test Information Function, Item Characteristic Curve