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Bilir, Mustafa Kuzey – ProQuest LLC, 2009
This study uses a new psychometric model (mixture item response theory-MIMIC model) that simultaneously estimates differential item functioning (DIF) across manifest groups and latent classes. Current DIF detection methods investigate DIF from only one side, either across manifest groups (e.g., gender, ethnicity, etc.), or across latent classes…
Descriptors: Test Items, Testing Programs, Markov Processes, Psychometrics
Blatt, Jessica – ProQuest LLC, 2009
This dissertation argues that changing ideas about race and engagement with race science were at the heart of a major transformation of political science in the 1920s, a transformation that I characterize as "becoming modern." This transformation was at once conceptual--visible in the basic categories and theoretical apparatus of the…
Descriptors: Race, Social Science Research, Political Science, Intellectual Disciplines