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ERIC Number: EJ916128
Record Type: Journal
Publication Date: 2011-Feb
Pages: 9
Abstractor: As Provided
Reference Count: 39
ISSN: ISSN-1058-0360
Establishing Validity of the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V)
Zraick, Richard I.; Kempster, Gail B.; Connor, Nadine P.; Thibeault, Susan; Klaben, Bernice K.; Bursac, Zoran; Thrush, Carol R.; Glaze, Leslie E.
American Journal of Speech-Language Pathology, v20 n1 p14-22 Feb 2011
Purpose: The Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) was developed to provide a protocol and form for clinicians to use when assessing the voice quality of adults with voice disorders (Kempster, Gerratt, Verdolini Abbott, Barkmeier-Kramer, & Hillman, 2009). This study examined the reliability and the empirical validity of the CAPE-V when used by experienced voice clinicians judging normal and disordered voices. Method: The validity of the CAPE-V was examined in 2 ways. First, we compared judgments made by 21 raters of 22 normal and 37 disordered voices using the CAPE-V and the GRBAS (grade, roughness, breathiness, asthenia, strain; see Hirano, 1981) scales. Second, we compared our raters' judgments of overall severity to a priori consensus judgments of severity for the 59 voices. Results: Intrarater reliability coefficients for the CAPE-V ranged from 0.82 for breathiness to 0.35 for strain; interrater reliability ranged from 0.76 for overall severity to 0.28 for pitch. Conclusions: Although both CAPE-V and GRBAS reliability coefficients varied across raters and parameters, this study reports slightly improved rater reliability using the CAPE-V to make perceptual judgments of voice quality in comparison to the GRBAS scale. The results provide evidence for the empirical (concurrent) validity of the CAPE-V. (Contains 8 tables.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Adult Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A