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A Polytomous Nonlinear Mixed Model for Item Analysis: Item Calibration Using SAS PROC NLMIXED and PARSCALE - Softcover

Shin, Seon-Hi

 
9783639184310: A Polytomous Nonlinear Mixed Model for Item Analysis: Item Calibration Using SAS PROC NLMIXED and PARSCALE
Softcover
ISBN 10: 3639184319 ISBN 13: 9783639184310
Verlag: VDM Verlag, 2009

Inhaltsangabe

The study presented the formulation of an IRT model for polytomously scored Likert-type data under the framework of the nonlinear mixed model. The formulated polytomous nonlinear mixed model (PNLMM) was demonstrated to be equivalent to Muraki¿s rating scale model (1990). Due to the flexibility of the framework, the PNLMM was easily extended into a model for differential item functioning analysis and a regression-type model with a person-level covariate. Using simulations, the accuracy of SAS PROC NLMIXED in estimating the latent trait and the item parameters for the PNLMM was examined through eight common indicators. The correlations between PROC NLMIXED and PARSCALE estimates for model parameters were also evaluated. The results and their educational importance were discussed.

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Verlag
VDM Verlag
Erscheinungsdatum
2009
Sprache
Englisch
ISBN 10 
3639184319
ISBN 13 
9783639184310
Einband
Taschenbuch
Anzahl der Seiten
112
Kontakt zum Hersteller
Nicht verfügbar
Verantwortliche Person
Zeitfracht Medien GmbH
info-medien@zeitfracht.de

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Erfurt
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Deutschland