Card 81
Question
Two methods to mask differences between sample appearances during sensory testing?
Answer
Change the lighting, use different lights such as red, darker in the room
Sensory science
Discover Sensory science: 201 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
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Card 82
Question
In sensory analysis, the assignment of symbols, usually with 3-digit numbers, to test samples so they can be presented to a subject without identification is called ______.
Answer
Coding
Card 83
Question
What does CIE stand for?
Answer
Commission Internationale de L'Eclairage
Card 84
Question
How do the roles of consumers and trained, expert panels differ in sensory testing?
Answer
Consumers tell you if the food is acceptable or not. Trained panels identify and describe the product attributes for use in specific product development decisions.
Card 85
Question
In sensory evaluation, the carryover stimulus from preceding samples on the sample currently being evaluated is known as ______.
Answer
Context effect/ carryover effect/ order effect
Card 86
Question
What term describes interactions where one sensory modality influences another?
Answer
Cross-modal interaction.
Card 87
Question
What phenomenon explains why sweetness reduces perceived bitterness?
Answer
Cross-modal suppression.
Card 88
Question
What are the subtractive primaries?
Answer
Cyan, magenta, and yellow
Card 89
Question
How does adding a bit of salt change the taste of tonic water (with quinine)?
Answer
Decreases bitterness
Card 90
Question
What term describes the minimum concentration of a stimulus that can be perceived?
Answer
Detection threshold
Card 91
Question
Arthur D Little attributed with
Answer
Development of flavor profile
Card 92
Question
What sensory test determines whether products are perceptibly different from one another?
Answer
Discrimination test (e.g., triangle test)
Card 93
Question
Identify the name of this sensory test: each subject is presented with two samples and is asked whether the samples are the same or different.
Answer
Discrimination testing, paired comparison or same-different test
Card 94
Question
Sensory tests may be divided into 3 groups on the basis of the type of information that they provide. What are the three types?
Answer
Discrimination, descriptive, affective (preference)
Card 95
Question
In which of the following tests do you need a reference comparison: duo-trio, hedonic, paired comparison
Answer
Duo-trio; paired comparison
Card 96
Question
Sensory panelists hesitation to use the extreme values on a rating scale is known as what type of error?
Answer
Error of central tendency
Card 97
Question
What type of sensory bias occurs when knowledge of brand influences perceived product quality?
Answer
Expectation bias.
Card 98
Question
What taste bud touches, but doesn't taste?
Answer
Filiform papillae.
Card 99
Question
What is the first type of descriptive analysis test used in food sensory science?
Answer
Flavor profiling
Card 100
Question
Which descriptive sensory analysis technique uses consumers instead of trained judges?
Answer
Free choice profiling
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