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| Criterion |  UX Research Card Sorting |  Knowledge Modeling Event Modeling |  UX Research Usability Testing |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20-45 min | 2-6 h | 1-2 h je Session | 30-60 min je Interview |
Participantsdifferent | Based on research question | 2-8 | Based on research question | 5-10 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Event Model, UI Flow, Commands, Read Models | Usability Issues, Severity List, Recommendations | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | Information architectureNavigationStructure | EventsBlueprintDomain-Driven DesignBehavior | ValidationUXPrototype | ValidationInterviewsPrototype |