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Related Experiment Videos

Syllable onsets II: three-element clusters in phonological treatment.

J A Gierut1, A H Champion

  • 1Department of Speech and Hearing Sciences, Indiana University, Bloomington 47405-7002, USA. gierut@indiana.edu

Journal of Speech, Language, and Hearing Research : JSLHR
|August 28, 2001
PubMed
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Children with speech sound disorders learned complex three-element consonant clusters during treatment. However, generalization effects varied, impacting singleton and two-element clusters differently based on individual sound inventories.

Area of Science:

  • Linguistics
  • Speech-Language Pathology
  • Developmental Psychology

Background:

  • The Sonority Sequencing Principle (SSP) guides typical phonological development.
  • Word-initial three-element clusters present unique linguistic challenges due to representational asymmetry.
  • The efficacy of treating complex clusters in children with phonological delays is not well understood.

Purpose of the Study:

  • To investigate the acquisition of word-initial three-element clusters in children with functional phonological delays.
  • To examine the impact of treatment on complex cluster acquisition and generalization patterns.
  • To explore the relationship between linguistic complexity, treatment effectiveness, and generalization.

Main Methods:

  • A single-subject staggered multiple-baseline experimental design was employed.

Related Experiment Videos

  • Treatment focused on word-initial three-element clusters for children aged 3;4 to 6;3.
  • Generalization to untreated singletons and two-element clusters was assessed.

    • Main Results:

    • Children successfully learned the treated three-element clusters.
    • No generalization occurred to similar asymmetric onsets.
    • Widespread generalization to untreated singletons (including affricates) was observed.
    • Differential generalization to two-element clusters was linked to individual singleton inventories.

    Conclusions:

    • Treatment of complex three-element clusters can be effective for children with phonological delays.
    • Generalization patterns are complex and influenced by linguistic factors like inventory composition.
    • Findings suggest a segmental-syllabic interface model for predicting treatment outcomes in speech sound disorders.