Research Article

Investigation of education value perception scale's psychometric properties according to CTT and IRT

Volume: 9 Number: 3 September 30, 2022
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Investigation of education value perception scale's psychometric properties according to CTT and IRT

Abstract

The purpose of this study is to develop Education Value Perception Scale (EVPS) based on Bronfenbrenner's Ecological Theory and to investigate its psychometric properties according to Classical Test Theory (CTT) and Item Response Theory (IRT). The data were collected from 2872 secondary school students by stratified purposeful sampling method. Measurement invariance of EVPS was tested by multigroup confirmatory factor analysis based on gender, and scalar invariance was observed to have been provided. The estimations based on IRT were conducted based on Graded Response Model. While high positive correlations were found between the item discriminations estimated according to different test theories, high negative correlations were identified between item means. McDonald’s Omega was calculated to be .79 according to CTT from reliability estimation methods, marginal reliability coefficient was determined to be .77 according to IRT. In the test-retest applications performed at 20-day intervals, the stability coefficient was found to be.81.

Keywords

References

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Details

Primary Language

English

Subjects

Studies on Education

Journal Section

Research Article

Publication Date

September 30, 2022

Submission Date

August 24, 2021

Acceptance Date

July 22, 2022

Published in Issue

Year 2022 Volume: 9 Number: 3

APA
Dilek, H., & Akbaş, U. (2022). Investigation of education value perception scale’s psychometric properties according to CTT and IRT. International Journal of Assessment Tools in Education, 9(3), 548-564. https://doi.org/10.21449/ijate.986530

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