Browsing by Subject "item response theory"
Now showing items 1-2 of 2
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Combining scaling and classification
(uga, 2011-05)The Scaling Individuals and Classifying Misconceptions (SICM) model is presented as a combination of an item response theory (IRT) model and a diagnostic classification model (DCM). Common modeling and testing procedures ... -
The impact of missing data on the dichotomous mixture IRT models
(uga, 2012-08)A mixture IRT model introduces latent classes into the model and is used when researchers want to model the heterogeneity of a population. It is designed to separate a population of individuals into qualitatively or ...