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The evolution of a model: A review of Thurstonian and conditional stimulus effects on difference testing

Title
The evolution of a model: A review of Thurstonian and conditional stimulus effects on difference testing
Authors
Lee H.-S.O'Mahony M.
Ewha Authors
이혜성
SCOPUS Author ID
이혜성scopus
Issue Date
2007
Journal Title
Food Quality and Preference
ISSN
0950-3293JCR Link
Citation
Food Quality and Preference vol. 18, no. 2, pp. 369 - 383
Keywords
Cognitive contrastsConditional stimulid′Difference testsSequential Sensitivity AnalysisSupra- and sub-adapting NaCl tastesThurstonian modelingVariance
Indexed
SCIE; SCOPUS scopus
Document Type
Article
Abstract
The application of Thurstonian modeling to difference tests is reviewed and explained non-mathematically. How experimental variables can affect the variance of perceptual distributions and reduce discriminability (d′ values) is described. The tendency of triangle and 3-AFC tests with one stronger stimulus and two weaker stimuli to be more sensitive than triads with one weaker and two stronger stimuli, is explained using the idea of conditional stimuli. From this, the development of sequential sensitivity analysis and the four distribution Thurstonian model is described. These ideas are then developed further to produce a potential eight distribution conditional stimulus model, to account for the effects of various interstimulus rinses and cognitive contrast. Also, the physical and physiological properties of the salt taste detection system, used in the development of these models, are outlined. © 2006 Elsevier Ltd. All rights reserved.
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DOI
10.1016/j.foodqual.2006.04.003
Appears in Collections:
엘텍공과대학 > 식품공학전공 > Journal papers
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