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| Criterion |  UX Research Usability Testing |  Decision Making Assumption Surfacing |  UX Research Card Sorting |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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. | 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 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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h je Session | 45-90 min | 20-45 min | 1-4 Wochen |
Participantsdifferent | Based on research question | 2-8 | Based on research question | 3-10 Kunden |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Assumption List, Critical Assumptions, Learning Plan | Content groups, Label set, IA hypotheses | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | ValidationUXPrototype | AssumptionsRiskDecisionDiscovery | Information architectureNavigationStructure | MVPValidationServiceDiscovery |