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| Criterion |  Product Discovery Kano Model |  UX Research Card Sorting |  UX Research Tree Testing |  Operations ABC Analysis |
|---|---|---|---|---|
Purposedifferent | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 Tage | 20-45 min | 1-2 Tage | 30-60 min |
Participantsdifferent | 10-50 | Based on research question | Based on research question | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA | ABC Classification, Focus Rules, Control List |
Tagsno overlap | SatisfactionPrioritizationCustomer | Information architectureNavigationStructure | Information architectureNavigationFindability | PrioritizationOperationsPortfolio |