Cet article retrace la procédure adoptée pour la création d'une échelle multi-items destinée à mesurer l'activité de recherche d'information engagée par le consommateur préalablement à l'achat. Dans un premier temps, les difficultés relatives à la mesure de l'activité de recherche d'information, et en particulier de sa composante interne, sont présentées et discutées. La multidimensionalité de la recherche d'information est ensuite démontrée à travers l'évaluation de la structure factorielle, de la fiabilité et de la validité de l'échelle proposée. L'article conclut sur l'opportunité de cerner la recherche d'information du consommateur à travers ses facettes sous-jacentes, ce qui présente des avantages, tant au niveau théorique que pratique, par rapport aux approches globales proposées dans la littérature.
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