Phonological changes in syllable duration and filler syllables in early child language

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Title: Phonological changes in syllable duration and filler syllables in early child language
Author: Winchester, Kimberly Sue
Abstract: This study investigated the development of prosody in American English and its relationship to segmental phonology and morphology with a focus on the acquisition of stress patterns . The data were collected from a male child by his father from 1 ;4 to 4 ;4 biweekly . Of these , twelve data points between 18 and 23 months were analyzed (approximately 30 minutes each ) . All utterances were coded into one of the following categories using transcriptions , notes , and audio data : Monosyllabic , Filler plus Monosyllabic , Disyllabic , Filler plus Disyllabic , Multisyllabic , and Filler plus Multisyllabic . The total number of utterances and syllables per utterance increased from 18 to 23 months . At 18 months , only 35 % (84 /236 ) of the child’s utterances were multisyllabic , while 72 % (612 /851 ) such utterances were produced at 23 months . At 18 months , 20 % of the utterances (48 /236 ) contained filler syllables . Between 21 _2 and 22 _0 months , the number of filler syllables decreased suddenly . At 22 and 23 months , the child produced filler syllables again , but this time with disyllabic and multisyllabic words . The disyllables were coded into one of the following : trochaic , iambic , or evenly stressed , then acoustic analysis was conducted on duration of those disyllables . A total of 160 utterances were measured . The results indicate that the second syllable was in general longer than the first syllable and the difference between first and second syllables was not significant at 21 months , whereas it was significant at 18 and 23 months .
URI: http : / /hdl .handle .net /2346 /18938
Date: 2005-05

Citation

Phonological changes in syllable duration and filler syllables in early child language. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /18938 .

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