The Analyzing Item Discrimination Index Estimated by Using DINA Model Parameters
Authors
Oğuz Başokçu
Ege Üniversitesi, Eğitim Fakültesi, Eğitimde Ölçme ve Değerlendirme Anabilim Dalı
Author
Keywords:
Congnitive Diagnosis Models, DINA Model, Test development process, discrimination index
Abstract
In this study, how to interpret the outcomes when using the DINA model parameters, which is one of the Cognitive Diagnostic Models for adaptation of the test development process, is studied. In this sense; DINA model which determines if the respondents have enough qualifications to answer the item correctly, provides to analyze the structure of the item difficulty parameter which is determining in test development process. The aim of this study is to explore the differences and common points of discrimination index of items in a developed test which are analyzed by traditional methods and the DINA model.
