*Pair of words are at opposite
extremes of the attribute scale
Usability tests and fuzzy integral analysis : To define consumer
needs regarding the use of a cosmetic moisturizer, usability tests were
conducted during two main popular events in the city of Nancy (France).
Two groups, consisting of
thirty-two female (average age 31 years old), tested one of the two
selected reference products: a cream - Sample 1 (Atoderm®
Ultra-nourishing Cream, Bioderma), and a lotion - Sample 2 (NIVEA® Body
Sun protection FPS 15, Beiersdorf). and answered the set of questions
corresponding to each word in Table 1, using a 5-level ordinal scale
(i.e. from not at all to very much). The complete survey form – in
French (original) and English – and the results are presented in the
Section B of the Supplementary material.