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Region Hovedstaden - en del af Københavns Universitetshospital
Udgivet

A user-operated audiometry method based on the maximum likelihood principle and the two-alternative forced-choice paradigm

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  • Jesper Hvass Schmidt
  • Christian Brandt
  • Ellen Raben Pedersen
  • Jakob Christensen-Dalsgaard
  • Ture Andersen
  • Torben Bille Poulsen
  • Jesper Bælum
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Objective: To create a user-operated pure-tone audiometry method based on the method of maximum likelihood (MML) and the two-alternative forced-choice (2AFC) paradigm with high test-retest reliability without the need of an external operator and with minimal influence of subjects' fluctuating response criteria. User-operated audiometry was developed as an alternative to traditional audiometry for research purposes among musicians. Design: Test-retest reliability of the user-operated audiometry system was evaluated and the user-operated audiometry system was compared with traditional audiometry. Study sample: Test-retest reliability of user-operated 2AFC audiometry was tested with 38 naïve listeners. User-operated 2AFC audiometry was compared to traditional audiometry in 41 subjects. Results: The repeatability of user-operated 2AFC audiometry was comparable to traditional audiometry with standard deviation of differences from 3.9 dB to 5.2 dB in the frequency range of 250-8000 Hz. User-operated 2AFC audiometry gave thresholds 1-2 dB lower at most frequencies compared to traditional audiometry. Conclusions: User-operated 2AFC audiometry does not require specific operating skills and the repeatability is acceptable and similar to traditional audiometry. User operated 2AFC audiometry is a reliable alternative to traditional audiometry.
OriginalsprogEngelsk
TidsskriftInternational Journal of Audiology
Vol/bind53
Udgave nummer6
Sider (fra-til)383-391
ISSN1499-2027
DOI
StatusUdgivet - 10 feb. 2014

ID: 43110786