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ORIGINAL ARTICLE
Commun Sci Disord. 2020;25(4): 872-889.
Published online December 31, 2020.
doi: https://doi.org/10.12963/csd.20757
Reliability and Validity of the Brief test of Cognitive-Communication Disorders
Mi Sook Leea , Bo Seon Kimb , and Jae Sung Limc
aDepartment of Audiology & Speech-Language Pathology, Hallym University of Graduate Studies·HUGS Center for Hearing and Speech Research, Seoul, Korea
bYonsei Speech Language Clinic, Bucheon, Korea
cDepartment of Neurology, Hallym University Medical Center, Anyang, Korea
Corresponding Author: Bo Seon Kim ,Tel: +82-32-224-8866, Fax: +82-2-3453-6618, Email: bskimslp@gmail.com
Received September 30, 2020  Revised: November 2, 2020   Accepted November 9, 2020
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ABSTRACT
Objectives
Acquired cognitive-communication disorders (ACCD) will increase rapidly in aged populations. Accordingly, a standardized cognitive-communication test is essential for speech-language pathology. The purpose of this study was to develop the Brief test of Cognitive-Communication Disorders (BCCD) and test its reliability and validity.
Methods
A total of 609 normal participants over the age of 55 were divided into groups by age and education. The patients with dementia (n=116), mild cognitive impairment (n=92), traumatic brain injury/right hemisphere damage (n=51), and aphasia (n=87) also performed the BCCD. This measure was completed through several stages that included a pilot study, expert review, and test of face validity, and the final version consisted of 27 items of cognitive-communication domains.
Results
There were three main findings. Firstly, the BCCD had high levels of internal consistency, and inter-rater and intra-rater reliabilities. Secondly, verification of the construct validity resulted in a strong correlation between the total mean score of the BCCD and the individual scores of subtests. The concurrent validity also revealed high correspondences. Lastly, the BCCD had an accuracy rate of discriminant function with a high extent of sensitivity and specificity.
Conclusion
We showed evidence that the BCCD has diagnostic accuracy as an assessment protocol for a cognitive-communication decline. The findings also have implications for the use of BCCD in planning intervention and improving its effectiveness.
Keywords: Acquired-cognitive communication disorders | Cognitive-communication test | Reliability | Validity
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