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Item difficulty index, discrimination index, and reliability of the 26 health professions licensing examinations in 2022, Korea: a psychometric study.
Journal of Educational Evaluation for Health Professions Pub Date : 2023-11-22 , DOI: 10.3352/jeehp.2023.20.31
Yoon Hee Kim 1 , Bo Hyun Kim 1 , Joonki Kim 1 , Bokyoung Jung 1 , Sangyoung Bae 1
Affiliation  

PURPOSE This study presents item analysis results of the 26 health personnel licensing examinations managed by the Korea Health Personnel Licensing Examination Institute (KHPLEI) in 2022. METHODS The item difficulty index, item discrimination index, and reliability were calculated. The item discrimination index was calculated using a discrimination index based on the upper and lower 27% rule and the item-total correlation. RESULTS Out of 468,352 total examinees, 418,887 (89.4%) passed. The pass rates ranged from 27.3% for health educators level 1 to 97.1% for oriental medical doctors. Most examinations had a high average difficulty index, albeit to varying degrees, ranging from 61.3% for prosthetists and orthotists to 83.9% for care workers. The average discrimination index based on the upper and lower 27% rule ranged from 0.17 for oriental medical doctors to 0.38 for radiological technologists. The average item-total correlation ranged from 0.20 for oriental medical doctors to 0.38 for radiological technologists. The Cronbach α, as a measure of reliability, ranged from 0.872 for health educators-level 3 to 0.978 for medical technologists. The correlation coefficient between the average difficulty index and average discrimination index was -0.2452 (P=0.1557), that between the average difficulty index and the average item-total correlation was 0.3502 (P=0.0392), and that between the average discrimination index and the average item-total correlation was 0.7944 (P<0.0001). CONCLUSION This technical report presents the item analysis results and reliability of the recent examinations by the KHPLEI, demonstrating an acceptable range of difficulty index and discrimination index values, as well as good reliability.

中文翻译:

韩国2022年26个卫生专业执照考试的项目难度指数、歧视指数和可靠性:一项心理测量研究。

目的本研究展示了2022年韩国卫生人员执照考试院(KHPLEI)管理的26项卫生人员执照考试的项目分析结果。方法计算项目难度指数、项目辨别指数和可靠性。使用基于上下27%规则和项目-总相关性的辨别指数来计算项目辨别指数。结果 在 468,352 名考生中,418,887 名(89.4%)通过了考试。一级健康教育师的合格率是27.3%,韩医师的合格率是97.1%。大多数考试的平均难度指数都很高,但程度不同,从假肢师和矫形师的 61.3% 到护理人员的 83.9%。基于上限和下限27%规则的平均歧视指数范围从东方医生的0.17到放射技术人员的0.38。平均项目总相关性范围从东方医生的 0.20 到放射技术人员的 0.38。作为可靠性衡量标准,Cronbach α 的范围为 3 级健康教育者的 0.872 到医疗技术人员的 0.978。平均难度指数与平均辨别指数之间的相关系数为-0.2452(P=0.1557),平均难度指数与平均项目总相关系数为0.3502(P=0.0392),平均辨别指数与平均项目总相关性为 0.7944 (P<0.0001)。结论 本技术报告呈现了 KHPLEI 最近考试的项目分析结果和可靠性,证明了难度指数和辨别指数值的可接受范围,以及良好的可靠性。
更新日期:2023-11-22
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