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ORIGINAL ARTICLE
Commun Sci Disord. 2003;8(1): 244-270.
Psychometrically Equivalent Korean Bisyllabic Words Spoken by Male and Female Talker
W Richard` , Harris` , Eunoak Kim` , L Dennis` , and Eggett`
Copyright ©2003 The Korean Academy of Speech-Language Pathology and Audiology
Richard W| Harris| Eunoak Kim| Dennis L| Eggett
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ABSTRACT
This investigation was undertaken to develop, digitally record, evaluate, and psychometrically equate Korean bisyllabic words for use in measurement of the speech reception threshold(SRT). Ninety familiar bisyllabic words were selected for evaluation. These words were recorded by both male and female talkers native to Seoul, Korea who spoke the standard Korean dialect. Psychometric functions were calculated, using logistic regression, for each of the 90 bisyllabic words for 20 normally hearing subjects who listened to these words at 15 intensity levels from 10 to 18dBHL in 2dB increments. The 36 best bisyllabic words were selected and then digitally adjusted, with respect to intensity, so that the threshold of each word was equal to the mean PTA(4.33dBHL) of the normally hearing subjects. The mean slope(%/dB) for the bisyllabic words was 11.9%/dB for the male talker and 10.4%/dB for the female talker. The result was the development of a list of 36 Korean bisyllabic words(male and female talker) which were homogeneous with respect to threshold audibility and also with respect to psychometric function slope.These psychometrically equivalent Korean bisyllabic words spoken by both male and female talkers are included on the Brigham Young University Korean Speech Audiometry Materials(Disc 1.0) compact disc.
Keywords: 어음청취역치 | 한국어 | 이음절 | 어음변별 | 청각적 단어재인 | 동질성 | speech reception threshold
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