Listener agreement for auditory-perceptual ratings of dysarthria. Bunton, K.; Kent, R. D; Duffy, J. R; Rosenbek, J. C; and Kent, J. F Journal of Speech, Language, and Hearing Research, 50:1481-1495.
doi  abstract   bibtex   
PURPOSE: Darley, Aronson, and Brown (1969a, 1969b) detailed methods and results of auditory-perceptual assessment for speakers with dysarthrias of varying etiology. They reported adequate listener reliability for use of the rating system as a tool for differential diagnosis, but several more recent studies have raised concerns about listener reliability using this approach. METHOD: In the present study, the authors examined intrarater and interrater agreement for perceptual ratings of 47 speakers with various dysarthria types by 2 listener groups (inexperienced and experienced). The entire set of perceptual features proposed by Darley et al. was rated based on a 40-s conversational speech sample. RESULTS: No differences in levels of agreement were found between the listener groups. Agreement was within 1 scale value or better for 67% of the pairwise comparisons. Levels of agreement were lower when the average rating fell in the mid-range of the scale compared with samples that had an average rating near either of the scale endpoints; agreement was above chance level. No significant differences in agreement were found between the perceptual features. DISCUSSION: The levels of listener agreement that were found indicate that auditory-perceptual ratings show promise during clinical assessment for identifying salient features of dysarthria for speakers with various etiologies.
@article{bunton_listener_2007,
	Author = {Bunton, Kate and Kent, Raymond D and Duffy, Joseph R and Rosenbek, John C and Kent, Jane F},
	Date = {2007},
	Date-Modified = {2017-04-19 08:04:06 +0000},
	Doi = {10.1044/1092-4388(2007/102)},
	Issn = {1092-4388},
	Journal = {Journal of Speech, Language, and Hearing Research},
	Keywords = {assessment, clinical, clinical phonetics, dysarthria, neurolinguistics, speech perception},
	Pages = {1481-1495},
	Pmid = {18055769},
	Title = {Listener agreement for auditory-perceptual ratings of dysarthria},
	Volume = {50},
	Abstract = {PURPOSE: Darley, Aronson, and Brown (1969a, 1969b) detailed methods and results of auditory-perceptual assessment for speakers with dysarthrias of varying etiology. They reported adequate listener reliability for use of the rating system as a tool for differential diagnosis, but several more recent studies have raised concerns about listener reliability using this approach. METHOD: In the present study, the authors examined intrarater and interrater agreement for perceptual ratings of 47 speakers with various dysarthria types by 2 listener groups (inexperienced and experienced). The entire set of perceptual features proposed by Darley et al. was rated based on a 40-s conversational speech sample. RESULTS: No differences in levels of agreement were found between the listener groups. Agreement was within 1 scale value or better for 67\% of the pairwise comparisons. Levels of agreement were lower when the average rating fell in the mid-range of the scale compared with samples that had an average rating near either of the scale endpoints; agreement was above chance level. No significant differences in agreement were found between the perceptual features. DISCUSSION: The levels of listener agreement that were found indicate that auditory-perceptual ratings show promise during clinical assessment for identifying salient features of dysarthria for speakers with various etiologies.},
	Bdsk-Url-1 = {http://dx.doi.org/10.1044/1092-4388(2007/102)}}
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