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Investigating the Impact of Item Parameter Drift for Item Response Theory Models with Mixture Distributions

This study investigates the impact of item parameter drift (IPD) on parameter and ability estimation when the underlying measurement model fits a mixture distribution, thereby violating the item invariance property of unidimensional item response theory (IRT) models. An empirical study was conducted...

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Bibliografiske detaljer
Udgivet i:Front Psychol
Main Authors: Park, Yoon Soo, Lee, Young-Sun, Xing, Kuan
Format: Artigo
Sprog:Inglês
Udgivet: Frontiers Media S.A. 2016
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4764735/
https://ncbi.nlm.nih.gov/pubmed/26941699
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3389/fpsyg.2016.00255
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