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| Criterion |  UX Research Usability Testing |  Innovation Design Sprint |  Decision Making Assumption Surfacing |  Innovation Design Thinking |
|---|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | 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. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-2 h je Session | 4-5 Tage | 45-90 min | 1 Tag bis mehrere Wochen |
Participantsdifferent | Based on research question | 5-8 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prototype, Test Findings, Decision Rationale | Assumption List, Critical Assumptions, Learning Plan | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ValidationUXPrototype | Design sprintPrototypeValidationInnovation | AssumptionsRiskDecisionDiscovery | InnovationPrototypeResearch |