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Long-term test-retest reliability of category loudness scaling in normal-hearing subjects using pure-tone stimuli.

The present study investigates the test-retest reliability of category loudness scaling with pure tones for each of the scaling categories: 'very soft', 'soft', 'OK', 'loud', 'very loud' and 'too loud' at the audiometric frequencies 0.5, 1 kHz, 2 kHz and 4 kHz. Category loudness scaling at two sessi...

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Published in:Scandinavian Audiology Vol. 27; no. 3; pp. 161 - 168
Main Authors: Rasmussen AN, Olsen SO, Borgkvist BV, Nielsen LH
Format: research tables/charts Journal Article
Published: Taylor & Francis Ltd Aug98
Online Access:View this record in EBSCOhost
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      dt: Aug98
      vid: 27
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      pub: Taylor & Francis Ltd
      place: Philadelphia, Pennsylvania
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        atl: Long-term test-retest reliability of category loudness scaling in normal-hearing subjects using pure-tone stimuli.
      aug:
        au:
          Rasmussen AN
          Olsen SO
          Borgkvist BV
          Nielsen LH
        affil: Audiological Laboratory, F2072, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark. E-mail: anr@rh.dk
      sug:
        subj:
          Audiometry, Pure-Tone
          Loudness Perception
          Funding Source
          Hearing Aid Fitting
          Adult
          Middle Age
          Descriptive Statistics
          Test-Retest Reliability
          Human
          Adult: 19-44 years
          Middle Aged: 45-64 years
      ab: The present study investigates the test-retest reliability of category loudness scaling with pure tones for each of the scaling categories: 'very soft', 'soft', 'OK', 'loud', 'very loud' and 'too loud' at the audiometric frequencies 0.5, 1 kHz, 2 kHz and 4 kHz. Category loudness scaling at two sessions separated by between 1 and 4 weeks was obtained from 16 normal-hearing subjects who all had normal otoscopy, present acoustic reflexes at audiometric frequencies 0.5-4 kHz and middle ear pressure within +/-50 daPa. Intra-subject between-session reliability was found not to be frequency dependent, and comparison with other studies revealed that reliability is not dependent on the applied stimulus signal. Test-retest reliability varied between the different categories: In the categories 'very soft', 'loud', 'very loud' and 'too loud' the test reliability is in the same range as found for hearing thresholds determination, whereas for the 'soft' and 'OK' categories it is poorer. The greater uncertainty for intermediate levels should be considered when using category loudness scaling, e.g. for calculating hearing aid parameters.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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