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The most common for use in the wine industry are the triangle difference test and the duo-trio difference test: triangle: “Is a particular lot made with rot-compromised fruit different from other lots?” duo-trio: “Is there a sensory difference among wines fermented with different yeasts?”
The method is statistically more efficient than the duo-trio test (described in ISO 10399), but has limited use with products that exhibit strong carryover and/or lingering flavours. The method is applicable even when the nature of the difference is unknown [i.e. it determines neither the size
2 Φεβ 2021 · A Duo-Trio Test is an overall difference test which will determine whether or not a sensory difference exists between two samples. This method is particularly useful: To determine whether product differences result from a change in ingredients, processing, packaging, or storage; To determine whether an overall difference exists, where no ...
The duo–trio test is a simple non-directional difference test method suitable for discriminating subtle differences between confusable stimuli. It is suitable for consumers as well as...
25 Αυγ 2006 · Two sets of expanded tables have been compiled for use in determining significance in paired-difference and triangle tests (one-tailed) and in paired-preference tests (two-tailed). One...
The method is statistically less efficient than the triangle test (described in ISO 4120) but is easier to perform by the assessors. The method is applicable even when the nature of the difference is unknown [i.e. it determines neither the size
This book is an affordable sensory science textbook focused on the practi-cal aspects of sensory testing on a broad range of products. It is presented in a simple ‘how to’ style for use by industry and academia as a step-by-step guide on how to carry out a range of sensory tests.
