Sensory design aims to establish an overall diagnosis of the sensory perceptions of a product, and define appropriate means to design or redesign it on that basis. It involves an observation of the diverse and varying situations in which a given product or object is used in order to measure the users' overall opinion of the product, its positive and negative aspects in terms of tactility, appearance, sound and so on.
Sensory assessment aims to quantify and describe, in a systematic manner, all human perceptions when confronted with a product or object. Contrary to traditional laboratory analysis, a sensory analysis of a product is either carried out by a panel of trained testers, or by specialized test equipment designed to mimic the perception of humans.
The result allows researchers to establish a list of specifications and to set out a precise and quantified requirement. These are applied to materials and objects using various criteria:
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