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CONFIDENCE ENVELOPES FOR ITEM RESPONSE THEORY [PDF]
ABSTRACTA statistical method is described and illustrated which provides confidence envelopes around item response functions. Examples of 95% confidence envelopes for the one‐, two‐, and three‐parameter logistic response models are given.In addition, we describe, N‐line plots, which show the genesis of the envelope as well as the density of lines in ...
David Thissen, Howard Wainer
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Comparison of item analysis results of Korean Medical Licensing Examination according to classical test theory and item response theory [PDF]
The results of the 64th and 65th Korean Medical Licensing Examination were analyzed according to the classical test theory and item response theory in order to know the possibility of applying item response theory to item analys and to suggest its ...
Eun Young Lim+4 more
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ABSTRACTFew would doubt that ETS researchers have contributed more to the general topic of item response theory (IRT) than individuals from any other institution. In this report, we briefly review most of those contributions, dividing them into sections by decades of publication, beginning with early work by Fred Lord and Bert Green in the 1950s and ...
Matthias von Davier, James E. Carlson
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An Insight to Estimated Item Response Matrix in Item Response Theory
This paper investigates the performance of item response theory based on distance criteria rather than likelihood criteria. For this purpose, the estimated item response matrix is introduced.
Hideo Hirose
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Item response theory approach to ethnocentrism
IntroductionAlthough ethnocentrism is one of the fundamental concepts in the social sciences, its study has been impeded by a diversity of conceptualizations and measures.
Conal Monaghan, Boris Bizumic
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In this study, the psychometric properties of the listening and reading subtests of the German VERA 3 test were examined using Item Response Theory (IRT) and Multidimensional Item Response Theory (MIRT) models.
Güler Yavuz Temel+3 more
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Several user-contributed packages can fit IRT models. The packages we use the most is the ltm package by Dimitris Rizopoulos and the MCMCpack packages by Andrew Martin, Kevin Quinn, and Jong Hee Park. The eRm package by Patrick Mair, Reinhold Hatzinger, and Marco Maier also has powerful features. But our experience with eRm is limited at this time.
Jonathan Baron, Yuelin Li
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This Monte Carlo study assessed Type I error in differential item functioning analyses using Lord’s chi-square (LC), Likelihood Ratio Test (LRT), and Mantel-Haenszel (MH) procedure.
Emily Diaz+2 more
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Bifactor item response theory model of acute stress response. [PDF]
BACKGROUND: Better understanding of acute stress responses is important for revision of DSM-5. However, the latent structure and relationship between different aspects of acute stress responses haven't been clarified comprehensively.
Yebing Yang+6 more
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The current study investigates the optimum number of response categories for the Likert type of scales under the item response theory (IRT). The data was collected from university students attend to mainly the faculty of medicine and the faculty of ...
Cetin Toraman, Eren Can Aybek
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