한국 초등학생의 영어 낭독체 발화에서 유창성 등급에 영향을 미치는 초분절 요소
Suprasegmentals affecting oral reading fluency in Korean elementary students’ English read speech
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Various L2 studies claim that measuring suprasegmentals is an effective way to evaluate L2 oral fluency. Our study seeks to find the most affecting suprasegmentals to assess the oral fluency. To meet this purpose, this study has proceeded in two steps. First, five raters (2 natives and 3 Koreans) rated 3,069 unrated Korean elementary students’ read speech from Korean-Spoken English Corpus. They evaluated the data and rated them into 5 fluency levels based on Genie Corpus Rubric (Level 5 is the most fluent one). After that, 500 data were randomly selected to measure pause numbers and duration, speech rate, and pitch range using Praat. This study reveals that speech rate and pause duration affect fluency levels; Pause numbers have little correlation and pitch range has no meaningful relation with fluency levels. This result suggests that first, reading speed is important in judging fluency levels in Korean elementary students’ spoken English. In addition, other supraseg- mentals also influence the perception of fluency. The study result implies that teachers should teach suprasegmentals in their pronunciation lessons along with segments.
Abstract
Various L2 studies claim that measuring suprasegmentals is an effective way to evaluate L2 oral fluency. Our study seeks to find the most affecting suprasegmentals to assess the oral fluency. To meet this purpose, this study has proceeded in two steps. First, five raters (2 natives and 3 Koreans) rated 3,069 unrated Korean elementary students’ read speech from Korean-Spoken English Corpus. They evaluated the data and rated them into 5 fluency levels based on Genie Corpus Rubric (Level 5 is the most fluent one). After that, 500 data were randomly selected to measure pause numbers and duration, speech rate, and pitch range using Praat. This study reveals that speech rate and pause duration affect fluency levels; Pause numbers have little correlation and pitch range has no meaningful relation with fluency levels. This result suggests that first, reading speed is important in judging fluency levels in Korean elementary students’ spoken English. In addition, other supraseg- mentals also influence the perception of fluency. The study result implies that teachers should teach suprasegmentals in their pronunciation lessons along with segments.
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