The Role of Experience on Judgments of Dysphonia

Summary Objectives The objectives of the study were (1) to determine differences in judgments of overall severity (OS) and vocal effort (VE) of dysphonic speech when judgments were made by experienced and inexperienced listeners, and when self-rated by individuals with dysphonia; and (2) to determin...

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Published in:	Journal of voice Vol. 24; no. 5; pp. 564 - 573
Main Authors:	Eadie, Tanya L, Kapsner, Mara, Rosenzweig, Juli, Waugh, Patricia, Hillel, Allen, Merati, Albert
Format:	Journal Article
Language:	English
Published:	United States Mosby, Inc 01-09-2010 Elsevier Science Ltd
Subjects:	Acoustic Stimulation Aged Aged, 80 and over Assessment Diagnostic Self Evaluation Dysphonia Dysphonia - diagnosis Dysphonia - physiopathology Dysphonia - psychology Female Humans Judgment Listener experience Male Middle Aged Observer Variation Otolaryngology Perception Perceptual voice judgments Phonetics Predictive Value of Tests Professional Competence Reproducibility of Results Self-Evaluation Severity of Illness Index Speech Speech Acoustics Speech Perception Speech Production Measurement Surveys and Questionnaires Voice handicap Voice Quality Washington Washington Perceptual voice judgments Voice handicap Listener experience
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Summary:	Summary Objectives The objectives of the study were (1) to determine differences in judgments of overall severity (OS) and vocal effort (VE) of dysphonic speech when judgments were made by experienced and inexperienced listeners, and when self-rated by individuals with dysphonia; and (2) to determine relationships between auditory-perceptual judgments of voice and voice handicap. Study Design Prospective and exploratory. Methods Twenty speakers with dysphonia and four normal controls provided speech recordings. Participants judged their own speech samples for OS and VE and completed the Voice Handicap Index (VHI). Twenty-four inexperienced and 10 experienced listeners evaluated the same speech samples for OS and VE using 100-mm visual analog scales. Results No differences were found for judgments of OS and VE across the groups. However, relationships between judgments made by experienced and inexperienced listeners were strong, whereas those between individuals with dysphonia and other listeners were weak to moderate. All listeners' judgments of voice were moderate predictors of VHI scores, with patient-perceived VE and clinician-rated OS being relatively strongest. Conclusions Although there is no systematic effect of listener experience on judgments of dysphonia, individuals with dysphonia appear to self-rate their voices using different perceptual strategies than other listeners. Auditory-perceptual measures are only moderately related to voice handicap scores, indicating that they are complementary measures of voice.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0892-1997 1873-4588
DOI:	10.1016/j.jvoice.2008.12.005