Classic Kano survey analysis
The original way Noriaki Kano devised to analyse a survey was to use a lookup table to classify each pair of responses per feature and then tally the results:
Using the lookup table
In the classic analysis, you look up the category of the combination of a respondent's functional and dysfunctional answers.
Functional ↓ | Dysfunctional → | ||||
Like | Expect | Neutral | Accept | Dislike | |
Like | Q | A | A | A | O |
Expect | R | I | I | I | M |
Neutral | R | I | I | I | M |
Accept | R | I | I | I | M |
Dislike | R | R | R | R | Q |
Tallying the results
When you have determined the category of each response, tally them up. For each feature, count the number of times they have been attributed the Must-Be, One-Dimensional, Attractive, Indifferent, Reverse and Questionable categories.
For a survey with 25 respondents, the results could be:
M | O | A | I | R | Q | |
Feature #1 | 9 | 10 | 1 | 2 | 3 | 0 |
Feature #2 | 9 | 5 | 4 | 2 | 4 | 1 |
... |
The classic way to determine the final category of the feature is to simply look at what category has the majority. For feature 1, that’d be One-Dimensional. For the second feature, that would be that it’s a Must-Be.
When you're ready with your analysis, you can begin interpreting the results.
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