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KMID : 0361020120550060350
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Korean Journal of Otolaryngology - Head and Neck Surgery
2012 Volume.55 No. 6 p.350 ~ p.354
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Reliability of Speech Recognition Threshold Test Using the Korean Standard Bisyllabic Word List for Adults in Comparison with Conventional Hahm’s List
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Kim Jin-A
Lee Jung-Hak
Lee Hyo-Jeong
Kim Hyung-Jong
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Abstract
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Background and Objectives: The purpose of this study was to compare a newly developed Korean standard bisyllabic word list for adults (KS-BWL-A) against the conventional Hahm’s List based on the reliability in speech recognition threshold (SRT) test.
Subjects and Method: Twelve adults with normal hearing and 11 hearing-impaired patients participated in this study. After excluding 10 words that are common in both lists, 26 bisyllabic words from each list were used for comparison in this study. SRTs were obtained using the modified ascending method.
Results: The mean SRTs measured by KS-BWL-A were 1.9 dB lower for the normal hearing group and 2.7 dB lower for the hearing-impaired group than those measured by the conventional Hahm’s list with statistical significance (p=0.025 and p=0.045). In both groups, the pure tone averages (PTAs) were highly correlated (correlation coefficient ＞0.7, p＜0.001) with SRTs measured using old and new lists, and the differences between PTA and SRT were within 3 dB for both lists.
Conclusion: These results suggest that both KS-BWL-A and the conventional list are reliable methods as adult SRT tests and that two lists are not considerably different. However, speech recognition was slightly easier by the new list than it was by the conventional list. Authors propose the KS-BWL-A as a standard word list for SRT measurement in Korea.
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KEYWORD
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Speech audiometry, Speech recognition threshold test, Reliability
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