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| Criterion |  UX Research Usability Testing |  Innovation Design Thinking |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-2 h je Session | 1 Tag bis mehrere Wochen | 45-90 min |
Participantsdifferent | Based on research question | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Problem Statement, Prototype, Test Learnings | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ValidationUXPrototype | InnovationPrototypeResearch | AssumptionsRiskDecisionDiscovery |
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