Dialectical Effects on Nasalance: A Multicenter, Cross-Continental Study

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Bibliographic Details
Title: Dialectical Effects on Nasalance: A Multicenter, Cross-Continental Study
Language: English
Authors: Awan, Shaheen N., Bressmann, Tim, Poburka, Bruce, Roy, Nelson, Sharp, Helen, Watts, Christopher
Source: Journal of Speech, Language, and Hearing Research. Feb 2015 58(1):69-77.
Availability: American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail: subscribe@asha.org; Web site: http://jslhr.asha.org
Peer Reviewed: Y
Page Count: 9
Publication Date: 2015
Document Type: Journal Articles
Reports - Research
Descriptors: North American English, Dialects, Acoustics, Speech, Young Adults, Effect Size, Regional Characteristics, Differences, Foreign Countries
Geographic Terms: Canada
DOI: 10.1044/2014_JSLHR-S-14-0077
ISSN: 1092-4388
Abstract: Purpose: This study investigated nasalance in speakers from six different dialectal regions across North America using recent versions of the Nasometer. It was hypothesized that many of the sound changes observed in regional dialects of North American English would have a significant impact on measures of nasalance. Method: Samples of the Zoo Passage, the Rainbow Passage, and the Nasal Sentences were collected from young adult male and female speakers (N = 300) from six North American dialectical regions (Midland/Mid-Atlantic; Inland North Canada; Inland North; North Central; South; and Western dialects). Results: Across the three passage types, effect sizes for dialect were moderate in strength and accounted for approximately 7%-9% of the variation in nasalance. Increased differences in nasalance tended to occur between speakers from distinctly different geographical regions, with the highest nasalance across all passages observed for speakers from the Texas South dialect region. Conclusion: Clinicians and researchers who use perceptual and instrumental measures of speech production should be aware that dialectical and socially acquired speech patterns may influence the acoustic characteristics of speech and may also influence the interpretation of normative expectations and typical versus disordered cutoff scores for instruments such as the Nasometer.
Abstractor: As Provided
Entry Date: 2015
Accession Number: EJ1059770
Database: ERIC
Description
Abstract:Purpose: This study investigated nasalance in speakers from six different dialectal regions across North America using recent versions of the Nasometer. It was hypothesized that many of the sound changes observed in regional dialects of North American English would have a significant impact on measures of nasalance. Method: Samples of the Zoo Passage, the Rainbow Passage, and the Nasal Sentences were collected from young adult male and female speakers (N = 300) from six North American dialectical regions (Midland/Mid-Atlantic; Inland North Canada; Inland North; North Central; South; and Western dialects). Results: Across the three passage types, effect sizes for dialect were moderate in strength and accounted for approximately 7%-9% of the variation in nasalance. Increased differences in nasalance tended to occur between speakers from distinctly different geographical regions, with the highest nasalance across all passages observed for speakers from the Texas South dialect region. Conclusion: Clinicians and researchers who use perceptual and instrumental measures of speech production should be aware that dialectical and socially acquired speech patterns may influence the acoustic characteristics of speech and may also influence the interpretation of normative expectations and typical versus disordered cutoff scores for instruments such as the Nasometer.
ISSN:1092-4388
DOI:10.1044/2014_JSLHR-S-14-0077