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Passage-related local item dependence and spurious latent classes in the mixture Rasch model : a simulation study
(University of Missouri--Columbia, 2013)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Mixture Rasch models, which are often used to investigate response strategy difference, differential item functioning, and test speediness, have gained much attention...
Interactive DIF detection by HLM : does interacted DIF matter?
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Differential Item Functioning (DIF) is a test bias that describes the phenomena which measures the same performance level differently because they are from different groups. A...