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The development of psychometrically equivalent Cantonese speech audiometry materials
Shawn L Nissen1, Richard W Harris, Ron W Channell
1Department of Communication Disorders, Brigham Young University, Provo, Utah 84602, USA. shawn_nissen@byu.edu
International Journal of Audiology
|February 16, 2011
Summary
This study developed and validated digital Cantonese speech audiometry materials for word recognition (WR) and speech recognition threshold (SRT) testing in quiet. The new materials ensure reliable audiological assessments for native Cantonese speakers.
Area of Science:
- Audiology
- Speech Science
- Linguistics
Background:
- Accurate speech audiometry is crucial for diagnosing hearing impairments.
- Existing Cantonese speech materials may lack standardization and psychometric validation.
- Development of culturally and linguistically appropriate assessment tools is needed.
Purpose of the Study:
- To develop and psychometrically evaluate digital speech audiometry materials for Cantonese.
- To create reliable word recognition (WR) and speech recognition threshold (SRT) tests.
- To provide validated materials for assessing hearing in native Cantonese speakers.
Main Methods:
- Digitally recorded bisyllabic and trisyllabic Cantonese words by native speakers.
- Psychometric evaluation of recorded words using normal-hearing listeners.
- Development of WR lists and SRT materials with homogeneous audibility and steep psychometric functions.
Main Results:
- Developed four WR lists and eight half-lists with consistent audibility.
- Achieved mean psychometric slopes of 7.5%/dB (male) and 7.6%/dB (female) for WR materials.
- SRT materials demonstrated mean slopes of 14.5%/dB (male) and 14.9%/dB (female).
Conclusions:
- High-quality digital Cantonese speech audiometry materials for WR and SRT have been successfully developed and validated.
- These materials are available on CD, categorized by talker gender.
- The validated materials will enhance audiological assessments for the Cantonese-speaking population.
