期刊
AMERICAN JOURNAL OF AUDIOLOGY
卷 26, 期 3, 页码 191-201出版社
AMER SPEECH-LANGUAGE-HEARING ASSOC
DOI: 10.1044/2017_AJA-16-0100
关键词
-
资金
- Australian Postgraduate Award scholarship through School of Surgery at University of Western Australia
Purpose: The purpose of this study is to raise awareness of interobserver concordance and the differences between interobserver reliability and agreement when evaluating the responsiveness of a clinician-administered survey and, specifically, to demonstrate the clinical implications of data types (nominal/categorical, ordinal, interval, or ratio) and statistical index selection (for example, Cohen's kappa, Krippendorff's alpha, or interclass correlation). Methods: In this prospective cohort study, 3 clinical audiologists, who were masked to each other's scores, administered the Practical Hearing Aid Skills Test-Revised to 18 adult owners of hearing aids. Interobserver concordance was examined using a range of reliability and agreement statistical indices. Results: The importance of selecting statistical measures of concordance was demonstrated with a worked example, wherein the level of interobserver concordance achieved varied from no agreement to almost perfect agreement depending on data types and statistical index selected. Conclusions: This study demonstrates that the methodology used to evaluate survey score concordance can influence the statistical results obtained and thus affect clinical interpretations.
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