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| Criterion |  Knowledge Modeling Event Modeling |  UX Research First-click Testing |  Product Discovery Solution Interview |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | 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 the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 2-6 h | 1-2 Tage | 30-60 min je Interview | 30-60 min je Interview |
Participantsdifferent | 2-8 | 10-30 | 5-10 Interviews | 5-12 Interviews |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Click Heatmap, Success Rate, Design Recommendations | Solution Feedback, Objection List, Validation Notes | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | UXNavigationFindabilityValidation | ValidationInterviewsPrototype | DiscoveryInterviewsValidation |