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Lookup NU author(s): Dr Christian Brandt
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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.
Author(s): Schmidt JH, Brandt C, Pedersen ER, Christensen-Dalsgaard J, Andersen T, Poulsen T, Bælum J
Publication type: Article
Publication status: Published
Journal: International journal of audiology
Year: 2014
Volume: 53
Issue: 6
Pages: 383-391
Print publication date: 01/06/2014
Online publication date: 01/02/2014
Acceptance date: 23/12/2013
ISSN (print): 1499-2027
ISSN (electronic): 1708-8186
Publisher: Informa Healthcare
URL: http://dx.doi.org/10.3109/14992027.2013.879339
DOI: 10.3109/14992027.2013.879339
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