Agile Software Development

Different potential user groups and even users within the same group can have different opinions on the product features. The only way to see the high-level picture is to question many users and to gather some statistics on the user preferences. If the user opinions are gathered with the help of Kano questionnaires, the answers can be analyzed in a simple table.

One of the simplest ways of dividing the product features into must-haves, linear, exciters and even wrong features is to gather the potential customer's opinion with the help of the Kano questionnaires ( PDF ). Kano questionnaires include two questions for the every feature or group of features: the functional question "How do you feel if this feature is present?" and dysfunctional question "How do you feel if this feature is NOT present?"