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Optimality theory in phonological acquisition.

J A Barlow1, J A Gierut

  • 1Department of Communicative Disorders, San Diego State University, CA 92182-1518, USA. jbarlow@mail.sdsu.edu

Journal of Speech, Language, and Hearing Research : JSLHR
|December 22, 1999
PubMed
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This tutorial introduces Optimality Theory (OT), a constraint-based linguistic framework. It explores OT's application to child language acquisition, explaining common phonological errors and clinical uses.

Area of Science:

  • Linguistics
  • Psycholinguistics
  • Speech-Language Pathology

Background:

  • Optimality Theory (OT) provides a constraint-based framework for understanding language.
  • This theory offers a novel perspective on grammatical structures and acquisition processes.

Purpose of the Study:

  • To introduce the Optimality Theory (OT) framework.
  • To examine OT's application in phonological acquisition.
  • To discuss clinical implications for children with phonological disorders.

Main Methods:

  • Outline basic assumptions and formal notation of OT.
  • Describe unique OT concepts like "emergence of the unmarked."
  • Apply OT to analyze phonological acquisition patterns in children.

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Main Results:

  • OT explains common phonological error patterns such as fronting, stopping, final-consonant deletion, and cluster simplification.
  • The theory accounts for inter- and intra-child variation and language change over time.
  • Analysis reveals OT's utility in describing children's productive phonological processes.

Conclusions:

  • Optimality Theory offers a robust framework for analyzing child phonology.
  • OT provides insights into the diagnosis and treatment of functional phonological disorders.
  • The theory has potential for clinical applications and further research.