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Related Concept Videos

Language Development01:22

Language Development

627
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
627

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Speech Rate Varies With Sentence Length in Typically Developing Children.

Meghan Darling-White1, Symone Whitney Banks1

  • 1Department of Speech, Language, and Hearing Sciences, The University of Arizona, Tucson.

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Sentence length impacts speech rate in children, primarily by affecting articulation rate, not pause time. This study highlights how sentence complexity influences speech production in developing children.

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Area of Science:

  • Speech-Language Pathology
  • Developmental Psychology
  • Linguistics

Background:

  • Understanding factors influencing speech production is crucial for developmental research.
  • Sentence length is a potential modulator of speech rate and its components.

Purpose of the Study:

  • To investigate the effect of sentence length on speech rate, articulation rate, and pause time.
  • To analyze these effects in typically developing children aged 10-14 years.

Main Methods:

  • Sixty-two typically developing children repeated sentences of varying lengths (2-7 words).
  • Measured speech rate (syllables/sec), articulation rate (syllables/sec), and pause proportion.
  • Analyzed age as a potential confounding variable.

Main Results:

  • Speech rate and articulation rate significantly increased with longer sentences.
  • Pause time proportion did not significantly change with sentence length.
  • No significant main effects of age were observed.

Conclusions:

  • Sentence length differentially affects components of speech rate in children.
  • Increased speech rate with longer sentences is driven by articulation rate, not increased pausing.
  • Articulation rate is sensitive to sentence length, suggesting cognitive-linguistic load influences pause time.