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The Relationship Between Prelinguistic Vocalization and Later Expressive Vocabulary in Young Children With Developmental Delay.

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Title: The Relationship Between Prelinguistic Vocalization and Later Expressive Vocabulary in Young Children With Developmental Delay.
Authors: McCathren, Rebecca B.1 spedrm@showme.missouri.edu, Yoder, Paul J., Warren, Steven F.2
Source: Journal of Speech, Language & Hearing Research. Aug1999, Vol. 42 Issue 4, p915-924. 10p. 2 Charts.
Subject Terms: *Language testing of children, *Language disorders
Abstract: This study tested the relationship between prelinguistic vocalization and expressive vocabulary 1 year later in young children with mild to moderate developmental delays. Three vocalization variables were tested: rate of all vocalization, rate of vocalizations with consonants, and rate of vocalizations used interactively. The 58 toddlers in the study were 17-34 months old, not sensory impaired, and had Bayley Mental Development Indices (Bayley, 1969; Bayley, 1993) from 35-85. In addition, the children had fewer than 3 words in their expressive vocabularies and during classroom observation each showed at least one instance of intentional prelinguistic communication before testing. Selected sections of the Communication and Symbolic Behavior Scales procedures (CSBS; Wetherby & Prizant, 1993) were administered at the beginning and at the end of the study. The vocal measures were obtained in the initial CSBS session. One measure of expressive vocabulary was obtained in the CSBS session at the end of the study. In addition, expressive vocabulary was measured in a nonstructured play session at the end of the study. We predicted that rate of vocalization, rate of vocalizations with consonants, and rate of vocalizations used interactively would all be positively related to later expressive vocabulary. The results confirmed the predictions. [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.)
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  Data: The Relationship Between Prelinguistic Vocalization and Later Expressive Vocabulary in Young Children With Developmental Delay.
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  Data: <searchLink fieldCode="AR" term="%22McCathren%2C+Rebecca+B%2E%22">McCathren, Rebecca B.</searchLink><relatesTo>1</relatesTo><i> spedrm@showme.missouri.edu</i><br /><searchLink fieldCode="AR" term="%22Yoder%2C+Paul+J%2E%22">Yoder, Paul J.</searchLink><br /><searchLink fieldCode="AR" term="%22Warren%2C+Steven+F%2E%22">Warren, Steven F.</searchLink><relatesTo>2</relatesTo>
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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>. Aug1999, Vol. 42 Issue 4, p915-924. 10p. 2 Charts.
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  Data: *<searchLink fieldCode="DE" term="%22Language+testing+of+children%22">Language testing of children</searchLink><br />*<searchLink fieldCode="DE" term="%22Language+disorders%22">Language disorders</searchLink>
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  Label: Abstract
  Group: Ab
  Data: This study tested the relationship between prelinguistic vocalization and expressive vocabulary 1 year later in young children with mild to moderate developmental delays. Three vocalization variables were tested: rate of all vocalization, rate of vocalizations with consonants, and rate of vocalizations used interactively. The 58 toddlers in the study were 17-34 months old, not sensory impaired, and had Bayley Mental Development Indices (Bayley, 1969; Bayley, 1993) from 35-85. In addition, the children had fewer than 3 words in their expressive vocabularies and during classroom observation each showed at least one instance of intentional prelinguistic communication before testing. Selected sections of the Communication and Symbolic Behavior Scales procedures (CSBS; Wetherby & Prizant, 1993) were administered at the beginning and at the end of the study. The vocal measures were obtained in the initial CSBS session. One measure of expressive vocabulary was obtained in the CSBS session at the end of the study. In addition, expressive vocabulary was measured in a nonstructured play session at the end of the study. We predicted that rate of vocalization, rate of vocalizations with consonants, and rate of vocalizations used interactively would all be positively related to later expressive vocabulary. The results confirmed the predictions. [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/jslhr.4204.915
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        Text: English
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      – SubjectFull: Language disorders
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      – TitleFull: The Relationship Between Prelinguistic Vocalization and Later Expressive Vocabulary in Young Children With Developmental Delay.
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              Text: Aug1999
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