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Audiol > Volume 9(2); 2013 > Article
Audiology 2013;9(2): 113-126.
Published online: December 31, 2013.
doi: http://dx.doi.org/10.21848/audiol.2013.9.2.113
한국어 어음청각검사의 개발과 표준화에 대한 고찰
한우재1, 방정화2
1한림대학교 자연과학대학 언어청각학부, 청각언어연구소
2한림국제대학원대학교 청각학과
A Review of Development and Standardization on Korean Speech Audiometry
Woojae Han1, Jungwha Bahng2
1Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
2Department of Audiology, Hallym University of Graduate Studies, Seoul, Korea
Correspondence  Jungwha Bahng ,Tel: (070) 8680-6933, Fax: (02) 3451-6618, Email: bahng.jh@gmail.com
Received: November 30, 2013;  Accepted: December 5, 2013.  Published online: December 31, 2013.
ABSTRACT
It is well known that assessment of speech perception is one of essential elements in audiology including its research and clinical practices. Numerous researchers have attempted to develop and evaluate the speech perception assessment materials in order to give appropriate intervention and better treatment to hearing-impaired listeners. One of primary goals of this paper is to review the Korean Speech Audiometry (KSA) (Lee et al., 2010) in terms of its development and standardization, and thus to increase awareness among professionals about its strengths and weakness related to the assessment of speech perception performance in adults and children with normal hearing and those with hearing loss. This paper includes reviews of three speech perception tests, e.g., Word Recognition Score (WRS), Speech Recognition Threshold (SRT), and Sentences Recognition Score (SRS), which have a small set of experiments and outputs based on two requirements of the speech perception assessment, called validity and reliability. The WRS showed an inter-list difference up to 20% in 25 subjects with moderate sensorineural hearing loss even if there was no significant difference statistically among lists. In SRT, there were spondees having unequal sound pressure levels and several tense (or fortis) sounds in the lists. Lists of the SRS showed a ceiling effect in either the normal hearing or the hearing-impaired listeners in spite of a good validity. The authors expect that audiologists will have a new insight and intuition on the speech perception tests after reading this review paper. Also, the authors ask the audiologists to know that developing and evaluating the KSA is an on-going process and it will continue to be developed in the future.
Key Words: Korean speech audiometry (KSA), Word recognition scores (WRS), Monosyllabic words, Speech recognition threshold (SRT), Bisyllabic words, Spondee, Sentence recognition scores (SRS)
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