Digit Speech Recognition Thresholds (SRT) for Non-Native Speakers of English Although Central Institute for the Deaf (CID) W-1 stimuli are routinely used for speech recognition threshold (SRT) testing, they are not always familiar to new learners of English and often lead to erroneous assessments. To improve test accuracy, alternative stimuli were constructed by pairing familiar English digits. These digit pairs ... Research Article
Research Article  |   June 01, 2002
Digit Speech Recognition Thresholds (SRT) for Non-Native Speakers of English
 
Author Affiliations & Notes
  • Ishara Ramkissoon
    Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, 901 S. Sixth Street, Champaign, IL 61820
  • Adele Proctor
    Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, 901 S. Sixth Street, Champaign, IL 61820
  • Charissa R. Lansing
    Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, 901 S. Sixth Street, Champaign, IL 61820
  • Robert C. Bilger
    Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, 901 S. Sixth Street, Champaign, IL 61820
  • Corresponding author: e-mail: ramkisso@uiuc.edu
Article Information
Hearing & Speech Perception / Cultural & Linguistic Diversity / Research Articles
Research Article   |   June 01, 2002
Digit Speech Recognition Thresholds (SRT) for Non-Native Speakers of English
American Journal of Audiology, June 2002, Vol. 11, 23-28. doi:10.1044/1059-0889(2002/005)
History: Received August 6, 2001 , Accepted June 5, 2002
 
American Journal of Audiology, June 2002, Vol. 11, 23-28. doi:10.1044/1059-0889(2002/005)
History: Received August 6, 2001; Accepted June 5, 2002

Although Central Institute for the Deaf (CID) W-1 stimuli are routinely used for speech recognition threshold (SRT) testing, they are not always familiar to new learners of English and often lead to erroneous assessments. To improve test accuracy, alternative stimuli were constructed by pairing familiar English digits. These digit pairs were used to measure SRT for 12 non-native speakers of English and 12 native speakers of English. Results indicate that digit pairs effectively measure SRT for both participant groups; and more importantly, for non-native speakers of English, digit pairs are more accurate than CID W-1 words in measuring the hearing threshold for speech. Digit-pairs have cross-linguistic appeal and should greatly facilitate accurate SRT testing for listeners with minimal exposure to English.

Acknowledgments
This research was submitted by the first author as a master’s equivalency thesis in partial fulfillment of the PhD at the University of Illinois at Urbana-Champaign (UIUC). This study was supported in part by a Graduate College Thesis Grant (UIUC) awarded to the first author and funds from the Committee on Institutional Cooperation (UIUC) awarded to the second author.
The authors thank Alex Gazalyuk and David Gooler for assisting with stimulus and equipment setup, and three anonymous reviewers for valuable comments on an earlier draft. Portions of this paper were presented at the IALP conference, Pilanesburg, South Africa, July 2000, and at the ASHA annual convention, Washington, D.C., November 17, 2000.
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