. Diminution-des-niveaux, 5) et p 2 = (13,5 ; 13,5 ; 13,5 ; 13,5) La relation obtenue est détaillée en table 4.11, Nous pouvons constater que les changements sont là aussi peu nombreux (16%). La diérence principale porte sur le resserrement en haut du classement : il y a 5 alternatives classées indiérentes au troisième rang. Par contre en queue de classement

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