Performance of Polytomous IRT Models With Rating Scale Data: An Investigation Over Sample Size, Instrument Length, and Missing Data

Performance of Polytomous IRT Models With Rating Scale Data: An Investigation Over Sample Size, Instrument Length, and Missing Data

The implementation of polytomous item response theory (IRT) models such as the graded response model (GRM) and the generalized partial credit model (GPCM) to inform instrument design and validation has been increasing across social and educational contexts where rating scales are usually used. The p...

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Bibliographic Details
Main Authors: Shenghai Dai, Thao Thu Vo, Olasunkanmi James Kehinde, Haixia He, Yu Xue, Cihan Demir, Xiaolin Wang
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-09-01
Series:Frontiers in Education
Subjects:
IRT
GRM
GPCM
sample size
instrument length
missing data
Online Access:https://www.frontiersin.org/articles/10.3389/feduc.2021.721963/full

Internet

https://www.frontiersin.org/articles/10.3389/feduc.2021.721963/full

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