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Modifying Speech to Children Based on Their Perceived Phonetic Accuracy.

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Title: Modifying Speech to Children Based on Their Perceived Phonetic Accuracy.
Authors: Julien, Hannah M.1, Munson, Benjamin1 munso005@umn.edu, Smith, Anne, Matthies, Melanie
Source: Journal of Speech, Language & Hearing Research. Dec2012, Vol. 55 Issue 6, p1836-1849. 14p. 3 Graphs.
Subject Terms: *Experimental design, *Self-evaluation, *Speech evaluation, Analysis of variance, Phonetics, Regression analysis, Research funding, Physiological aspects of speech, Speech perception in children, T-test (Statistics), Effect sizes (Statistics), Visual analog scale, Data analysis software, Descriptive statistics
Abstract: Purpose: The authors examined the relationship between adults' perception of the accuracy of children's speech and acoustic detail in their subsequent productions to children. Method: Twenty-two adults participated in a task in which they rated the accuracy of 2- and 3-year-old children's word-initial /s/ and /∫/ using a visual analog scale (VAS), then produced a token of the same word as if they were responding to the child whose speech they had just rated. Result: The duration of adults' fricatives varied as a function of their perception of the accuracy of children's speech: Longer fricatives were produced following productions that they rated as inaccurate. This tendency to modify duration in response to perceived inaccurate tokens was mediated by measures of self-reported experience interacting with children. However, speakers did not increase the spectral distinctiveness of their fricatives following the perception of inaccurate tokens. Conclusion: These results suggest that adults modify temporal features of their speech in response to perceiving children's inaccurate productions. These longer fricatives are potentially both enhanced input to children and an error-corrective signal. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Modifying Speech to Children Based on Their Perceived Phonetic Accuracy.
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  Data: <searchLink fieldCode="AR" term="%22Julien%2C+Hannah+M%2E%22">Julien, Hannah M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Munson%2C+Benjamin%22">Munson, Benjamin</searchLink><relatesTo>1</relatesTo><i> munso005@umn.edu</i><br /><searchLink fieldCode="AR" term="%22Smith%2C+Anne%22">Smith, Anne</searchLink><br /><searchLink fieldCode="AR" term="%22Matthies%2C+Melanie%22">Matthies, Melanie</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Dec2012, Vol. 55 Issue 6, p1836-1849. 14p. 3 Graphs.
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  Data: *<searchLink fieldCode="DE" term="%22Experimental+design%22">Experimental design</searchLink><br />*<searchLink fieldCode="DE" term="%22Self-evaluation%22">Self-evaluation</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech+evaluation%22">Speech evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Phonetics%22">Phonetics</searchLink><br /><searchLink fieldCode="DE" term="%22Regression+analysis%22">Regression analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Physiological+aspects+of+speech%22">Physiological aspects of speech</searchLink><br /><searchLink fieldCode="DE" term="%22Speech+perception+in+children%22">Speech perception in children</searchLink><br /><searchLink fieldCode="DE" term="%22T-test+%28Statistics%29%22">T-test (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Effect+sizes+%28Statistics%29%22">Effect sizes (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+analog+scale%22">Visual analog scale</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: The authors examined the relationship between adults' perception of the accuracy of children's speech and acoustic detail in their subsequent productions to children. Method: Twenty-two adults participated in a task in which they rated the accuracy of 2- and 3-year-old children's word-initial /s/ and /∫/ using a visual analog scale (VAS), then produced a token of the same word as if they were responding to the child whose speech they had just rated. Result: The duration of adults' fricatives varied as a function of their perception of the accuracy of children's speech: Longer fricatives were produced following productions that they rated as inaccurate. This tendency to modify duration in response to perceived inaccurate tokens was mediated by measures of self-reported experience interacting with children. However, speakers did not increase the spectral distinctiveness of their fricatives following the perception of inaccurate tokens. Conclusion: These results suggest that adults modify temporal features of their speech in response to perceiving children's inaccurate productions. These longer fricatives are potentially both enhanced input to children and an error-corrective signal. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1044/1092-4388(2012/11-0131)
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 1836
    Subjects:
      – SubjectFull: Experimental design
        Type: general
      – SubjectFull: Self-evaluation
        Type: general
      – SubjectFull: Speech evaluation
        Type: general
      – SubjectFull: Analysis of variance
        Type: general
      – SubjectFull: Phonetics
        Type: general
      – SubjectFull: Regression analysis
        Type: general
      – SubjectFull: Research funding
        Type: general
      – SubjectFull: Physiological aspects of speech
        Type: general
      – SubjectFull: Speech perception in children
        Type: general
      – SubjectFull: T-test (Statistics)
        Type: general
      – SubjectFull: Effect sizes (Statistics)
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      – SubjectFull: Visual analog scale
        Type: general
      – SubjectFull: Data analysis software
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
    Titles:
      – TitleFull: Modifying Speech to Children Based on Their Perceived Phonetic Accuracy.
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            NameFull: Julien, Hannah M.
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            NameFull: Munson, Benjamin
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            NameFull: Smith, Anne
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            – D: 01
              M: 12
              Text: Dec2012
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              Y: 2012
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