Research Article

Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items

Volume: 9 Number: 4 December 28, 2018
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Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items

Abstract

The aim of the present study is to identify and compare the number of items violating the item ordering, the total number of item pairs causing violation, the test statistics averages and the HT values of the overall test obtained from three separate Mokken IIO models in the simulative datasets generated by the graded response model. All the simulation conditions were comprised of 108 cells: 3 (minimum coefficient of a violation) x 2 (item discrimination levels) x 3 (sample sizes) x 2 (number of items) x 3 (response categories). MIIO, MSCPM and IT methods were used for data analysis. When the findings were considered in general, it was found that the MIIO method yielded the most stable values due to the fact that it was not affected by the lowest violation coefficient and was affected only slightly by simulation conditions. Especially in conditions where the violation coefficient was 0.03 (the default value in the Mokken package), it was recommended to use the MIIO method in identifying item ordering. Even though the MSCPM method yielded similar findings to those of the IT method, it generated more stable findings in particularly high sample sizes. In conditions where sample size, number of items and item discrimination were high, the MSCPM was recommended to be used.

Keywords

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Publication Date

December 28, 2018

Submission Date

April 4, 2018

Acceptance Date

July 10, 2018

Published in Issue

Year 2018 Volume: 9 Number: 4

APA
Koğar, H. (2018). Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items. Journal of Measurement and Evaluation in Education and Psychology, 9(4), 312-325. https://doi.org/10.21031/epod.412689
AMA
1.Koğar H. Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items. JMEEP. 2018;9(4):312-325. doi:10.21031/epod.412689
Chicago
Koğar, Hakan. 2018. “Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items”. Journal of Measurement and Evaluation in Education and Psychology 9 (4): 312-25. https://doi.org/10.21031/epod.412689.
EndNote
Koğar H (December 1, 2018) Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items. Journal of Measurement and Evaluation in Education and Psychology 9 4 312–325.
IEEE
[1]H. Koğar, “Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items”, JMEEP, vol. 9, no. 4, pp. 312–325, Dec. 2018, doi: 10.21031/epod.412689.
ISNAD
Koğar, Hakan. “Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items”. Journal of Measurement and Evaluation in Education and Psychology 9/4 (December 1, 2018): 312-325. https://doi.org/10.21031/epod.412689.
JAMA
1.Koğar H. Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items. JMEEP. 2018;9:312–325.
MLA
Koğar, Hakan. “Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items”. Journal of Measurement and Evaluation in Education and Psychology, vol. 9, no. 4, Dec. 2018, pp. 312-25, doi:10.21031/epod.412689.
Vancouver
1.Hakan Koğar. Examining Invariant Item Ordering Using Mokken Scale Analysis for Polytomously Scored Items. JMEEP. 2018 Dec. 1;9(4):312-25. doi:10.21031/epod.412689

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