As interviewees were given a maximum of 20 minutes in which they had to complete
the Kano questionnaire, its scope was limited and did not allow all of the generated
questions – 60 in all as previously mentioned – to be included. The decision what
questions were included in the Kano questionnaire was made up according to the
following selection criteria:
.
Those product attributes of a knife with fixed blade which were classified by
participants in the already-mentioned explorative brief interviews as being important and relevant when deciding to purchase such a knife were integrated
into the questionnaire.
.
Care was to be taken that the questionnaire included questions covering each of
the sections in the questionnaire as well as all categories of requirements insofar
as this was possible.