Investigation of Psychometric Properties of Likert Items with the Same Response Categories Using Polytomous Item Response Theory Models

The purpose of this study was to investigate within- and between-threshold parameter invariance for items of a fourteen-item Positive Affect Scale developed to assess positive moods (like happy, peaceful, etc.) of university students. To test whether the estimated threshold parameters were as expe...

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Bibliographic Details
Main Authors: Esra SÖZER, Nilüfer KAHRAMAN
Format: Article
Language:English
Published: EPODDER 2021-06-01
Series:Journal of Measurement and Evaluation in Education and Psychology
Subjects:
Online Access:https://dergipark.org.tr/en/pub/epod/issue/63232/819927