5세, 6세 아동 및 성인이 산출한 말소리의 정확성 및 시간적 특성 (Accuracy and Temporal Characteristics of Speech Sounds Produced by 5- and 6-year-old Children and Adults)

서지정보

· 발행기관 : 대한통합의학회
· 수록지 정보 : 대한통합의학회지 / 12권 / 4호 / 75 ~ 90페이지
· 저자명 : 강은영

초록

Purpose : This study analyzed the accuracy and temporal characteristics of speech sounds produced by 5- and 6-year-old children and adults.
Methods : A total of 75 people participated in this study, including 25 5-year-old children, 25 6-year-old children, and 25 adults. We collected speech sound data using the picture-naming test. We analyzed speech intelligibility, percentage of consonants correct (PCC) at the word level, PCC according to articulatory complexity, initial consonant duration, duration of vowels following initial consonants, and word duration.
Results : In the 5-year-old children, speech intelligibility, PCC at the word level, PCC according to articulatory complexity were significantly lower than those of the 6-year-old children and adults. There were significant differences in the duration of glottalized alveolar fricatives and the duration of vowels following glottalized alveolar fricatives between 5- and 6-year-old children. The voice onset time of plosives, duration of aspirated affricates, and duration of liquids were significantly longer for 5- and 6-year-old children than in the adults. For 5- and 6-year-old children, the duration of the following vowel for all consonants was significantly longer than for adults. The duration of words with high and low levels of phonetic complexity decreased with age.
Conclusion : The accuracy of speech sound production in 5-year-old children was lower than that of 6-year-old children, and The former showed a lack of sufficient speech motor control to articulate glottalized alveolar fricatives. When producing segmental sounds and words, the 5- and 6-year-old children had lower speech motor control than adults. It was found that articulatory complexity affects the accuracy of production of consonants in 5-year-old children. The findings from this study contribute to a foundation of understanding normal speech characteristics and motor development in 5- and 6-year-old children.

영어초록

Purpose : This study analyzed the accuracy and temporal characteristics of speech sounds produced by 5- and 6-year-old children and adults.
Methods : A total of 75 people participated in this study, including 25 5-year-old children, 25 6-year-old children, and 25 adults. We collected speech sound data using the picture-naming test. We analyzed speech intelligibility, percentage of consonants correct (PCC) at the word level, PCC according to articulatory complexity, initial consonant duration, duration of vowels following initial consonants, and word duration.
Results : In the 5-year-old children, speech intelligibility, PCC at the word level, PCC according to articulatory complexity were significantly lower than those of the 6-year-old children and adults. There were significant differences in the duration of glottalized alveolar fricatives and the duration of vowels following glottalized alveolar fricatives between 5- and 6-year-old children. The voice onset time of plosives, duration of aspirated affricates, and duration of liquids were significantly longer for 5- and 6-year-old children than in the adults. For 5- and 6-year-old children, the duration of the following vowel for all consonants was significantly longer than for adults. The duration of words with high and low levels of phonetic complexity decreased with age.
Conclusion : The accuracy of speech sound production in 5-year-old children was lower than that of 6-year-old children, and The former showed a lack of sufficient speech motor control to articulate glottalized alveolar fricatives. When producing segmental sounds and words, the 5- and 6-year-old children had lower speech motor control than adults. It was found that articulatory complexity affects the accuracy of production of consonants in 5-year-old children. The findings from this study contribute to a foundation of understanding normal speech characteristics and motor development in 5- and 6-year-old children.

참고자료

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