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A study of influential factors on perceptual judgment of hypernasality using the hypernasality perceptual profile

Title
A study of influential factors on perceptual judgment of hypernasality using the hypernasality perceptual profile
Authors
Kim S.H.Sim H.S.Ha S.
Ewha Authors
심현섭
SCOPUS Author ID
심현섭scopus
Issue Date
2015
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
vol. 20, no. 1, pp. 85 - 96
Keywords
Cleft palateHypernasalityInfluential factorsPerceptual judgment
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Abstract
Objectives: The ultimate goal of speech therapy for children with cleft palate is to facilitate communication. For this goal to be achieved, an accurate assessment is crucial in designing appropriate therapy. However, the assessment of hypernasality for children with cleft palate has relied on evaluators' intrinsic and subjective judgment as opposed to external and objective criterion. The purpose of this study is to identify factors contributing to the perceptual judgment of hypernasality. Methods: Twelve speech-language therapists (SLPs) and twenty-nine graduate students participated in this study. Sixteen children with cleft palate from 5 to 13 years old were selected for voice samples. All of them had major hypernasality problems. They were asked to read words and sentences as well as to retell a story. Their sixteen audio files were used as perceptual assessment data. The participants were asked to listen to the sixteen audio samples and to answer the questions of the Hypernasality Perceptual Profile (HNPP). The HNPP consists of the following six factors: general impression, type of phoneme, consistency, frequency, social acceptance, and understandability. A second assessment was performed a week after the first. Results: Regression analysis shows social acceptance and type of phoneme as significant factors predicting the general impression of hypernasality. The social acceptance factor was revealed to be the most powerful predictor. Conclusion: This study suggests SLPs tend to rely on social acceptance in the perceptual evaluation of hypernasality rather than their own experience. © 2015 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.15228
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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