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methodology • products’ spaces • the products profiles (averaged over the panellists or consumers) are computed. • Principal Components Analysis is then run on these product x attribute matrices • comparison of the two products’ products spaces (expert and consumer) is a “multi-table problem” • comparison through the Procrustean analysis 8013 • comparison through Multiple Factor Analysis ( (MFA) ) • comparison through the confidence ellipses technique 18
Dimennsion 2 (21.87 %) % 3,5 3,0 25 2,5 2,0 1,5 1,0 0,5 0,0 -0,5 -1,0 -1,5 -2,0 -2,5 -3,0 -3,5 -4,0 -4,5 expert panel g p Pleasures JAdore_EP JAdore_ET CocoMelle PurePoison LInstant Cinema AromaticsElixir Chaneln5 LolitaLempicka Shalimar Angel -4 -3 -2 -1 0 1 2 3 4 Dimension 1 (64.22 %) 8013 2 (21.87 %) Dimension 1 0 Notes.florales Agrume Fraicheur.marine Fruité Vert -1 Gourmand Boisé Vanille Epicé Oriental Capiteux Enveloppant -1 0 1 Dimension 1 (64.22 %) 19
Page 2 and 3: How reliable are the consumers? Com
Page 4 and 5: problematic How reliable are the co
Page 6 and 7: presentation of the studies • exp
Page 8 and 9: presentation route map • the cons
Page 10 and 11: performance of the panels • usual
Page 12 and 13: expert panel (correlations) • dis
Page 14 and 15: consumer panel (reproducibility) Sh
Page 16 and 17: conclusions on the panel performanc
Page 20 and 21: Dimennsion 2 (17.97 %) % 6,0 5,5 5,
Page 22 and 23: expert vs consumer: Procrustes anal
Page 24 and 25: expert vs consumer: Multiple Factor
Page 26 and 27: confidence ellipses methodology 1.C
Page 28 and 29: confidence ellipses • as we have
Page 30 and 31: confidence ellipses • partial poi
Page 32 and 33: eferences • Earthy P., MacFie H &
Page 34: Thank you for your attention!

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