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

Lookup NU author(s): Dr Christian Brandt

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Abstract

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.

Publication metadata

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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