The NTID speech recognition test

NSRT<sup>®</sup>

Joseph H. Bochner, Wayne M. Garrison, Karen A Doherty

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective: The purpose of this study was to collect and analyse data necessary for expansion of the NSRT item pool and to evaluate the NSRT adaptive testing software. Design: Participants were administered pure-tone and speech recognition tests including W-22 and QuickSIN, as well as a set of 323 new NSRT items and NSRT adaptive tests in quiet and background noise. Performance on the adaptive tests was compared to pure-tone thresholds and performance on other speech recognition measures. The 323 new items were subjected to Rasch scaling analysis. Study sample: Seventy adults with mild to moderately severe hearing loss participated in this study. Their mean age was 62.4 years (sd = 20.8). Results: The 323 new NSRT items fit very well with the original item bank, enabling the item pool to be more than doubled in size. Data indicate high reliability coefficients for the NSRT and moderate correlations with pure-tone thresholds (PTA and HFPTA) and other speech recognition measures (W-22, QuickSIN, and SRT). Conclusion: The adaptive NSRT is an efficient and effective measure of speech recognition, providing valid and reliable information concerning respondents' speech perception abilities.

Original languageEnglish (US)
Pages (from-to)490-498
Number of pages9
JournalInternational Journal of Audiology
Volume54
Issue number7
DOIs
StatePublished - Jul 1 2015

Fingerprint

Speech Perception
Aptitude
Hearing Loss
Noise
Software
scaling
performance
bank
Recognition (Psychology)
Speech Recognition
ability
Surveys and Questionnaires
Hearing Impairment
Testing
Scaling
software

Keywords

  • Adaptive testing
  • Item response theory
  • Rasch analysis
  • Speech recognition

ASJC Scopus subject areas

  • Speech and Hearing
  • Language and Linguistics
  • Linguistics and Language

Cite this

The NTID speech recognition test : NSRT<sup>®</sup> / Bochner, Joseph H.; Garrison, Wayne M.; Doherty, Karen A.

In: International Journal of Audiology, Vol. 54, No. 7, 01.07.2015, p. 490-498.

Research output: Contribution to journalArticle

Bochner, Joseph H. ; Garrison, Wayne M. ; Doherty, Karen A. / The NTID speech recognition test : NSRT<sup>®</sup>. In: International Journal of Audiology. 2015 ; Vol. 54, No. 7. pp. 490-498.
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