Browsing by Subject "Item response theory"
Now showing items 1-6 of 6
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A comparison of methods for item analysis and DIF using classical test theory, item response theory, and generalized linear model
(uga, 2009-05)Using three different theoretical frameworks – classical test theory, item response theory, and generalized linear model – this study analyzed items and searched for DIF on a nationwide English exam for students in the ... -
Comparison of several popular discrimination indices based on different criteria and their application in item analysis
(uga, 2008-08)This study applied the classical item analysis to a regular classroom test in a high school. As the core of the classical item analysis, discrimination indices were the main focus of this study. The purpose of the study ... -
Multilevel detection of possible test tampering through erasure analysis
(uga, 2016-05)Cheating on high-stakes standardized tests, especially by educators to meet accountability requirement, becomes a widespread serious problem receiving more and more attention. In the limited literature of statistical ... -
Scoring tests with dichotomous and polytomous items
(uga, 2005-05)This study applies item response theory methods to the tests combining multiple-choice (MC) and constructed response (CR) item types. Issues discussed include the following: 1) the selection of the best fitting model from ... -
Sensitivity of prior specification within testlet model
(uga, 2011-12)There have been enormous statistical advances made in the analysis of standardized educational and psychological tests. Parallel with this, the practical advantages of the Bayesian approach were recognized in item response ... -
The estimation of domain scores through IRT methods on a mathematics placement test
(uga, 2007-05)This study applied item response theory (IRT) estimation methods to a mathematics placement test containing multiple-choice items. Issues that were examined include the following: 1) the selection of a best fitting model ...