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| Criterion |  Product Discovery Kano Model |  UX Research Card Sorting |  Product Discovery Solution Interview |  UX Research First-click Testing |
|---|---|---|---|---|
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 solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 Tage | 20-45 min | 30-60 min je Interview | 1-2 Tage |
Participantsdifferent | 10-50 | Based on research question | 5-10 Interviews | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | SatisfactionPrioritizationCustomer | Information architectureNavigationStructure | ValidationInterviewsPrototype | UXNavigationFindabilityValidation |