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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Innovation Design Thinking |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | 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 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | High | Low |
Timedifferent | 1-2 h je Session | 20-45 min | 1 Tag bis mehrere Wochen | 1-2 Tage |
Participantsdifferent | Based on research question | Based on research question | 4-10 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Problem Statement, Prototype, Test Learnings | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | InnovationPrototypeResearch | UXNavigationFindabilityValidation |