Polytomous Nonlinear Mixed Model for Item Analysis

Name: Polytomous Nonlinear Mixed Model for Item Analysis
Brand: VDM Verlag
SKU: 9783639184310
Price: 1149 CZK
Availability: InStock

Autor: Seon-Hi Shin

Jazyk:

Vazba: Brožovaná

Vydavatel: VDM Verlag

Dostupnost: Skladem u dodavatele

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The study presented the formulation of an IRT model for polytomously scored Likert-type data under t...

Informace o knize

Autor

Seon-Hi Shin

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2009

Stránek

112

EAN

9783639184310

ISBN

3639184319

Enbook ID

06826605

Vydavatel

VDM Verlag

Hmotnost

177

Rozměry

152 x 229 x 7

Kompletní popis

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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Polytomous Nonlinear Mixed Model for Item Analysis

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