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| Criterion |  Product Discovery Kano Model |  UX Research Tree Testing |  UX Design Customer Journey Canvas |  UX Research Card Sorting |
|---|---|---|---|---|
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 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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-2 Tage | 1-3 h | 20-45 min |
Participantsdifferent | 10-50 | Based on research question | 3-10 | Based on research question |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Findability Metrics, Path Analysis, Revised IA | Customer Journey Canvas, Pain Points, Experience Opportunities | Content groups, Label set, IA hypotheses |
Tagsno overlap | SatisfactionPrioritizationCustomer | Information architectureNavigationFindability | JourneyCustomerService designCanvas | Information architectureNavigationStructure |