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Spolehlivost didaktických testů
Martinková, Patrícia
The paper deals with reliability of measurements in the context of multiple-item testing instruments, such as educational tests. We concentrate on popular characteristic widely used for estimation of reliability called Cronbach’s alpha, which is suited for normally distributed error term. Further we discuss modifications of Cronbach’s alpha for the case of dichotomous (true-false) scoring.
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Plný tet: 0373343 - Download fulltextPDF

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