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A new approach to category scales of intensity II: Use of d′ values

Title
A new approach to category scales of intensity II: Use of d′ values
Authors
Kim K.-O.Ennis D.M.O'Mahony M.
Ewha Authors
김광옥
SCOPUS Author ID
김광옥scopus
Issue Date
1998
Journal Title
Journal of Sensory Studies
ISSN
0887-8250JCR Link
Citation
Journal of Sensory Studies vol. 13, no. 3, pp. 251 - 267
Indexed
SCI; SCIE; SCOPUS scopus
Document Type
Article
Abstract
Using a Rank-Rating method, d′ values were obtained for stimuli from a model system using 15-point, 9-point, 7-point and 5-point category scales. For an apple/grape juice system, d′ values were compared for 9-point and 7-point scales. There was general agreement on d′ values among the scales, except where stimuli had their scores 'bunched' into one category: this tended to occur for the strongest and weakest stimuli for Rank-Rating and for the scales with fewer points. Bunching altered distribution variances and distorted the calculated d′ values. Further study gave d′' values for the discrimination of confusable stimuli, using paired-comparison and rating data, thus providing numerical measures of their relative sensitivity.
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엘텍공과대학 > 식품공학전공 > Journal papers
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