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| Criterion |  UX Research Usability Testing |  UX Research First-click Testing |  Decision Making Assumption Surfacing |  Innovation Design Sprint |
|---|---|---|---|---|
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 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. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-2 h je Session | 1-2 Tage | 45-90 min | 4-5 Tage |
Participantsdifferent | Based on research question | 10-30 | 2-8 | 5-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations | Assumption List, Critical Assumptions, Learning Plan | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationUXPrototype | UXNavigationFindabilityValidation | AssumptionsRiskDecisionDiscovery | Design sprintPrototypeValidationInnovation |