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Psychometric Properties of the Alzheimer's Disease Knowledge Scale-Korean Version
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Eun Joo Kim, Ji-young Jung
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J Korean Acad Nurs 2015;45(1):107-117. Published online February 27, 2015
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DOI: https://doi.org/10.4040/jkan.2015.45.1.107
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 Abstract
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Purpose
The purpose of this study was to evaluate the psychometric properties of the Korean version of the Alzheimer's Disease Knowledge Scale (ADKS-K) to determine its applicability to Korean adults.
Methods
Cross-cultural validity was performed according to Consensus-based Standards for the Selection of Health Measurement Instruments (COSMIN). The Kuder-Richardson Formula 20 for internal consistency and Intraclass Correlation Coefficient (ICC) for test-retest reliability were conducted. Content validity, criterion related validity and construct validity were evaluated. The Classical Test Theory (CTT) model and the Item Response Theory (IRT) model were applied in performing the item analysis.
Results
The KR 20 was .71, and the ICC was .90, indicating that the ADKS-K has internal consistency and stability reliability. Thirty items of the ADKS-K had significant Content Validity Ratio (CVR) values, i.e., mean of 0.82 and range of 0.60~1.00. Mean item difficulty and discrimination indices calculated by TestAn program were 0.63 and 0.23, respectively. Mean item difficulty and discrimination indices calculated by BayesiAn program were -0.60 and 0.77, respectively. These tests indicate that ADKS-K has an acceptable level of difficulty and discriminating efficiency.
Conclusion
Results suggest that ADKS-K has the potential to be a proper instrument for assessing AD knowledge in Korean adults.
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Citations
Citations to this article as recorded by  - Expanding the health belief model on dementia knowledge, fear, and preventive behaviors among older adults in Korea: a cross-sectional descriptive study
Jeong Eui Yun, Suyoung Choi
Journal of Korean Biological Nursing Science.2025; 27(1): 60. CrossRef - The Mediating Role of Attitudes Towards Dementia on the Relationship Between Dementia Knowledge and Behaviors Towards Persons with Dementia: A Cross-Sectional Study
Yang-Tzu Li, Jing-Xuan Bai, Jia-Ming He, Shao-Wei Yang, Hsiu-Li Huang
Journal of Multidisciplinary Healthcare.2023; Volume 16: 4213. CrossRef - Alzheimer’s disease (AD) knowledge in Korean Americans: identifying knowledge gaps and misconceptions and examining predictors of AD knowledge
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Journal of Korean Academy of Community Health Nursing.2020; 31(2): 130. CrossRef - Validation of the Spanish Version of the Dementia Knowledge Assessment Tool 2
Laura Parra-Anguita, Sara Moreno-Cámara, María Dolores López-Franco, Pedro L. Pancorbo-Hidalgo, Alden Gross
Journal of Alzheimer’s Disease.2018; 65(4): 1175. CrossRef - Knowledge and Attitudes in Alzheimer’s Disease in a Cohort of Older African Americans and Caucasians
J. Christina Howell, Oretunlewa Soyinka, Monica Parker, Thomas L. Jarrett, David L. Roberts, Cornelya D. Dorbin, William T. Hu
American Journal of Alzheimer's Disease & Other Dementias®.2016; 31(4): 361. CrossRef - Knowledge about dementia in South Korean nursing students: a cross-sectional survey
Jung Ha Shin, Hyun-Ju Seo, Kye Ha Kim, Kyoung-Hoon Kim, Youngjin Lee
BMC Nursing.2015;[Epub] CrossRef
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