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Categorization and feature specification in phonological acquisition

J A Gierut1

  • 1Indiana University, Department of Speech and Hearing Sciences, Bloomington 47405, USA. gierut@indiana.edu

Journal of Child Language
|June 1, 1996
PubMed
Summary
This summary is machine-generated.

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Children

Area of Science:

  • Linguistics
  • Developmental Psychology
  • Phonology

Background:

  • Phonological acquisition involves how children learn speech sounds.
  • Underspecification theory proposes that phonological representations are incomplete.
  • Understanding feature specification is key to explaining phonological development.

Purpose of the Study:

  • To investigate how children specify and represent distinctive features in phonology.
  • To examine the role of underspecification theory in children's phonological systems.
  • To determine how feature categorization changes with advancing phonological development.

Main Methods:

  • Study involved 30 children aged 3;1 to 5;10 with systematic phonological differences.
  • A free classification task assessed conceptual knowledge of phonological contrasts.

Related Experiment Videos

  • Features of place and manner were experimentally manipulated.

    • Main Results:

    • Children categorized segments using marked, nonredundant featural properties.
    • Category membership was defined by a single feature value, aligning with radical underspecification.
    • Both linguistic knowledge and input influenced category judgments, with varying impact.

    Conclusions:

    • Children's phonological category development relies on marked, nonredundant features.
    • Radical underspecification accurately models early phonological feature representation.
    • Advancing productive phonology correlates with increased feature differentiation in children.