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논문 기본 정보

자료유형
학술저널
저자정보
Mi-Sun Kim (Hankuk University of Foreign Studies) Tae-Yeoub Jang (Hankuk University of Foreign Studies)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제9권 제1호
발행연도
2017.3
수록면
19 - 26 (8page)

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초록· 키워드

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The main objective of this study is to investigate the influence of utterance internal pause in English speaking evaluation. To avoid possible confusion with other errors caused by segmental and prosodic inaccuracy, stem utterances with two different length obtained from a native speaker were manipulated to make a set of stimuli tokens through insertion of pauses whose length and position vary. After a total of 90 participants classified into three proficiency groups rated the stimuli, the scored data set was statistically analyzed in terms of the mixed effects model. It was confirmed that predictors such as pause length, pause position and utterance length significantly influence raters’ evaluation scores. Especially, a dominating effect was found in such a way that raters gradually deducted scores in accordance with the increase of pause duration. In another experiment, a tree-based statistical learning technique was utilized to check which of the significant predictors played a more influential role than others. The findings in this paper are expected to be practically informative for both the test takers who are preparing for an English speaking test and the raters who desire to develop more objective rubric of speaking evaluation.

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Abstract
1. Introduction
2. Experimental procedures
3. Results
4. Regression trees and predictor importance
5. Summary and discussion
References

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UCI(KEPA) : I410-ECN-0101-2017-700-002384572