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The acquisition of the voicing contrast in Thai: a study of voice onset time in word-initial stop consonants*

Published online by Cambridge University Press:  26 September 2008

Jack Gandour ,
Soranee Holasuit Petty ,
Rochana Dardarananda ,
Sumalee Dechongkit  and
Sunee Mukngoen
Jack Gandour
Affiliation:
Purdue University
Soranee Holasuit Petty
Affiliation:
Purdue University
Rochana Dardarananda
Affiliation:
Mahidol University
Sumalee Dechongkit
Affiliation:
Mahidol University
Sunee Mukngoen
Affiliation:
Mahidol University
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Abstract

This paper reports on a cross-sectional acoustical investigation of the development of the voicing contrast in Thai word-initial stops. Voice onset time (VOT) productions associated with three bilabial stops (/b p ph/), three alveolar stops (/d t th/), and two velar stops (/k kh/) were measured in seven 3-year-old children, seven 5-year-old children, seven 7-year-old children, and seven adults. Within each age group, differences in mean VOT between homorganic stop consonants indicated that 3-year-olds have acquired all voicing contrasts except /b/ vs. /p/ and /d/ vs. /t/. By age five, children have acquired all voicing contrasts. However, as measured by differences in mean VOT across age groups, 5-year-olds still do not produce /b/ or/d/ in an adult-like manner. Issues concerning the order of acquisition and nature of development of stop consonants are discussed.

Type
Articles
Information
Journal of Child Language , Volume 13 , Issue 3 , October 1986 , pp. 561 - 572
Copyright
Copyright © Cambridge University Press 1986

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References

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