Applicability of Item Response Theory to the Korean Nurses' Licensing Examination

To test the applicability of item response theory (IRT) to the Korean Nurses' Licensing Examination (KNLE), item analysis was performed after testing the unidimensionality and goodness-of-fit. The results were compared with those based on classical test theory. The results of the 330-item K...

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Main Authors: Geum-Hee Jeong, Mi Kyoung Yim
Format: Article
Language:English
Published: Korea Health Personnel Licensing Examination Institute 2005-06-01
Series:Journal of Educational Evaluation for Health Professions
Subjects:
Online Access:http://jeehp.org/upload/jeehp-2-23.pdf
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author Geum-Hee Jeong
Mi Kyoung Yim
author_facet Geum-Hee Jeong
Mi Kyoung Yim
author_sort Geum-Hee Jeong
collection DOAJ
description To test the applicability of item response theory (IRT) to the Korean Nurses' Licensing Examination (KNLE), item analysis was performed after testing the unidimensionality and goodness-of-fit. The results were compared with those based on classical test theory. The results of the 330-item KNLE administered to 12,024 examinees in January 2004 were analyzed. Unidimensionality was tested using DETECT and the goodness-of-fit was tested using WINSTEPS for the Rasch model and Bilog-MG for the two-parameter logistic model. Item analysis and ability estimation were done using WINSTEPS. Using DETECT, Dmax ranged from 0.1 to 0.23 for each subject. The mean square value of the infit and outfit values of all items using WINSTEPS ranged from 0.1 to 1.5, except for one item in pediatric nursing, which scored 1.53. Of the 330 items, 218 (42.7%) were misfit using the two-parameter logistic model of Bilog-MG. The correlation coefficients between the difficulty parameter using the Rasch model and the difficulty index from classical test theory ranged from 0.9039 to 0.9699. The correlation between the ability parameter using the Rasch model and the total score from classical test theory ranged from 0.9776 to 0.9984. Therefore, the results of the KNLE fit unidimensionality and goodness-of-fit for the Rasch model. The KNLE should be a good sample for analysis according to the IRT Rasch model, so further research using IRT is possible.
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spelling doaj.art-208c9c81d6a84a81b44def5497ae599b2023-09-02T23:59:41ZengKorea Health Personnel Licensing Examination InstituteJournal of Educational Evaluation for Health Professions1975-59372005-06-0121232910.3352/jeehp.2005.2.1.2317Applicability of Item Response Theory to the Korean Nurses' Licensing ExaminationGeum-Hee Jeong0Mi Kyoung Yim1Division of Nursing Science, Hallym University, Chuncheon, KoreaInstitute of Medical Education, Hallym University, Chuncheon, KoreaTo test the applicability of item response theory (IRT) to the Korean Nurses' Licensing Examination (KNLE), item analysis was performed after testing the unidimensionality and goodness-of-fit. The results were compared with those based on classical test theory. The results of the 330-item KNLE administered to 12,024 examinees in January 2004 were analyzed. Unidimensionality was tested using DETECT and the goodness-of-fit was tested using WINSTEPS for the Rasch model and Bilog-MG for the two-parameter logistic model. Item analysis and ability estimation were done using WINSTEPS. Using DETECT, Dmax ranged from 0.1 to 0.23 for each subject. The mean square value of the infit and outfit values of all items using WINSTEPS ranged from 0.1 to 1.5, except for one item in pediatric nursing, which scored 1.53. Of the 330 items, 218 (42.7%) were misfit using the two-parameter logistic model of Bilog-MG. The correlation coefficients between the difficulty parameter using the Rasch model and the difficulty index from classical test theory ranged from 0.9039 to 0.9699. The correlation between the ability parameter using the Rasch model and the total score from classical test theory ranged from 0.9776 to 0.9984. Therefore, the results of the KNLE fit unidimensionality and goodness-of-fit for the Rasch model. The KNLE should be a good sample for analysis according to the IRT Rasch model, so further research using IRT is possible.http://jeehp.org/upload/jeehp-2-23.pdfItem Response Theory Classical Test Theory Unidimensionality Goodness-of-fit Rasch Model
spellingShingle Geum-Hee Jeong
Mi Kyoung Yim
Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
Journal of Educational Evaluation for Health Professions
Item Response Theory
Classical Test Theory
Unidimensionality
Goodness-of-fit
Rasch Model
title Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
title_full Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
title_fullStr Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
title_full_unstemmed Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
title_short Applicability of Item Response Theory to the Korean Nurses' Licensing Examination
title_sort applicability of item response theory to the korean nurses licensing examination
topic Item Response Theory
Classical Test Theory
Unidimensionality
Goodness-of-fit
Rasch Model
url http://jeehp.org/upload/jeehp-2-23.pdf
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