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THE KANO MODEL: HOW TO DELIGHT YOUR CUSTOMERS Elmar Sauerwein , Franz Bailom, Kurt Matzler, Hans H. Hinterhuber* Department of Management, University of Innsbruck
Which products and services can be used to obtain a high level of customer satisfaction? Which product features have a more than proportional influence on satisfaction, and which attributes are an absolute must in the eyes of the customer? So far customer satisfaction was mostly seen as a one-dimensional construction - the higher the perceived product quality, the higher the customer’s satisfaction and vice versa. But fulfilling the individual product requirements to a great extent does not necessarily imply a high level of customer satisfaction. It is also the type of requirement which defines the perceived product quality and thus customer satisfaction. Departing from Kano’s model of customer satisfaction, a methodology is introduced which determines which influence the components of products and services have on customer satisfaction. The authors also demonstrate how the results of a customer survey can be interpreted and how conclusions can be drawn and used for the management of customer satisfaction is demonstrated. Kano’s model of customer satisfaction In his model, Kano (Kano, 1984) distinguishes between three types of product requirements which influence customer satisfaction in different ways when met: Must-be requirements: If these requirements are not fulfilled, the customer will be extremely dissatisfied. On the other hand, as the customer takes these requirements for granted, their fulfillment will not increase his satisfaction. The must-be requirements are basic criteria of a product. Fulfilling the must-be requirements will only lead to a state of "not dissatisfied". The customer regards the must-be requirements as prerequisites, he