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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Detaylı Bibliyografya
Asıl Yazarlar: Yoon Soo ePark, Young-Sun eLee, Kuan eXing
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: Frontiers Media S.A. 2016-02-01
Seri Bilgileri:Frontiers in Psychology
Konular:
Differential Item Functioning
item response theory
TIMSS
item parameter drift
mixture IRT
Online Erişim:http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00255/full
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