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Phonological development in Persian-speaking children: A cross-sectional study
Talieh Zarifian1, Mina Fotuhi1
1Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
International Journal of Speech-Language Pathology
|May 22, 2020
Summary
Phonological development in Persian-speaking children shows increasing accuracy with age. Consonant acquisition in the initial position precedes the final, and specific error patterns like final devoicing persist until age six.
Area of Science:
- Linguistics
- Developmental Psychology
- Speech-Language Pathology
Background:
- Persian, a Western Iranian language, has a unique phonological system.
- Understanding child phonological development is crucial for identifying speech sound disorders.
- Limited research exists on Persian phonological acquisition in children.
Purpose of the Study:
- To investigate the phonological development of Persian-speaking children.
- To determine the age of acquisition for phonemes and suppression of phonological error patterns.
- To establish normative data for Persian speech sound development.
Main Methods:
- Collected speech samples from 387 children aged 3-6 years.
- Utilized two picture-naming tasks: Persian Articulation and Phonology tests.
- Analyzed phonetic and phonemic inventories, phoneme accuracy, and error pattern suppression.
Main Results:
- Vowel acquisition by age three; consonant acquisition in initial position precedes final position.
- Phoneme accuracy increased with age; older children showed higher accuracy than younger children.
- Final devoicing and cluster reduction were the last error patterns suppressed by age 6.0.
Conclusions:
- Children's speech production accuracy improves with age, and error patterns decrease.
- While some cross-linguistic similarities exist, language-specific phonological development is vital for clinical practice.
- Findings contribute to speech sound development research and clinical applications for Persian-speaking children.
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