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Related Experiment Videos

Presentation level determination for CV tokens using a computer-controlled adaptive procedure.

L G Wall1, S A Davidson, R A Fox

  • 1Ohio State University.

Journal of Communication Disorders
|June 1, 1989
PubMed
Summary
This summary is machine-generated.

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A computer-controlled adaptive procedure efficiently determines speech perception performance. This method is reliable for both normal hearing and hearing-impaired individuals, saving time and resources.

Area of Science:

  • Audiology
  • Speech Science
  • Psychoacoustics

Background:

  • Determining speech perception performance-intensity functions is crucial for audiological assessment.
  • Traditional methods can be time-consuming and require numerous stimuli.
  • Computer-controlled adaptive procedures offer potential for increased efficiency.

Purpose of the Study:

  • To evaluate the feasibility of a computer-controlled adaptive procedure for assessing maximum monotic performance with consonant-vowel (CV) stimuli.
  • To compare this adaptive procedure against the typical manual method for determining performance-intensity functions.
  • To assess the efficiency and reliability of the computer-controlled adaptive procedure in normally hearing and sensorineural hearing-impaired listeners.

Main Methods:

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  • Two experiments were conducted comparing a computer-controlled adaptive procedure with a manual procedure.
  • Experiment I involved 26 normally hearing listeners.
  • Experiment II involved 9 sensorineural hearing-impaired subjects.

    • Main Results:

    • Both procedures yielded similar performance-intensity function shapes.
    • The computer-controlled adaptive procedure selected a slightly higher presentation level.
    • Test-retest reliability for the adaptive procedure was good (mean difference of 1.2 dB).

    Conclusions:

    • The computer-controlled adaptive procedure is a feasible and reliable method for determining speech perception performance.
    • This adaptive approach offers significant efficiency gains in terms of administration time and stimuli used.
    • The procedure is effective for both normally hearing and sensorineural hearing-impaired populations.