Preference percentages are simple and easy to understand, but
they become complex when the ‘no preference’ option is allowed
(Chapman, Grace-Martin, & Lawless, 2006; Lawless & Heymann,
1998; Lee & O’Mahony, 2007; Odesky, 1967). The SQI allows consumers
to use the same scores when comparing samples in order
to allow the comparison to be closer to the consumer’s real acceptance
of the products rather than preference data without the ‘no
preference’ option. Another advantage of the SQI over the simple
average score of acceptability is its ability to compare broad categories
of products that have different ranges of acceptability levels.
Generally, raw ingredients (such as tofu) are expected to have lower
acceptability levels than processed commercial home meal
replacements (such as pasta). However, companies manufacturing
various categories of food products require a reference guide to decide
on sensory qualities that are applicable for broad product
ranges regardless of the average score of consumer acceptance. If
there is a significant decrease in the SQI beyond a specified limit,
there could be a problem in the distribution quality of the product
Preference percentages are simple and easy to understand, butthey become complex when the ‘no preference’ option is allowed(Chapman, Grace-Martin, & Lawless, 2006; Lawless & Heymann,1998; Lee & O’Mahony, 2007; Odesky, 1967). The SQI allows consumersto use the same scores when comparing samples in orderto allow the comparison to be closer to the consumer’s real acceptanceof the products rather than preference data without the ‘nopreference’ option. Another advantage of the SQI over the simpleaverage score of acceptability is its ability to compare broad categoriesof products that have different ranges of acceptability levels.Generally, raw ingredients (such as tofu) are expected to have loweracceptability levels than processed commercial home mealreplacements (such as pasta). However, companies manufacturingvarious categories of food products require a reference guide to decideon sensory qualities that are applicable for broad productranges regardless of the average score of consumer acceptance. Ifthere is a significant decrease in the SQI beyond a specified limit,there could be a problem in the distribution quality of the product
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