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

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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.

Original languageEnglish
JournalInternational Journal of Audiology
Volume53
Issue number6
Pages (from-to)383-391
ISSN1499-2027
DOIs
Publication statusPublished - Jun 2014

Keywords

  • Adolescent
  • Adult
  • Aged
  • Audiometry, Pure-Tone/instrumentation
  • Auditory Perception
  • Auditory Threshold
  • Automation
  • Child
  • Choice Behavior
  • Female
  • Humans
  • Male
  • Middle Aged
  • Music
  • Observer Variation
  • Occupations
  • Predictive Value of Tests
  • Psychometrics
  • Reproducibility of Results
  • Young Adult

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