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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Comparative Markedness and Induced Opacity.

Daniel A Dinnsen1, Judith A Gierut, Ashley W Farris-Trimble

  • 1Department of Linguistics, Indiana University Memorial Hall 322, 1021 E. Third Street Bloomington, IN 47405, U.S.A. dinnsen@indiana.edu.

Language Research
|June 14, 2011
PubMed
Summary
This summary is machine-generated.

This study explored comparative markedness in children's speech development. Results supported the theory, offering insights into phonological error patterns and treatment implications.

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Area of Science:

  • Linguistics
  • Speech-Language Pathology

Background:

  • Children with delayed phonologies often exhibit complex error patterns.
  • Understanding these patterns is crucial for effective intervention.

Purpose of the Study:

  • To evaluate comparative markedness as an amendment to optimality theory.
  • To analyze specific phonological error patterns (Deaffrication, Consonant Harmony) in two children.
  • To investigate treatment effects using a counterbalanced, multiple baseline design.

Main Methods:

  • Descriptive and experimental study design.
  • Single-subject experimental design with counterbalanced treatment.
  • Analysis of phonological error patterns in two children aged 4;3 and 4;11.

Main Results:

  • Results largely supported the principles of comparative markedness.
  • Observed interactions between Deaffrication and Consonant Harmony error patterns.
  • Treatment induced expected effects (grandfather effect, counterfeeding interaction) with some anomalies.

Conclusions:

  • Comparative markedness provides a valuable framework for understanding phonological development and errors.
  • Findings have implications for speech therapy and intervention strategies for children with speech sound disorders.