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| Criterion |  UX Research Usability Testing |  Decision Making Assumption Surfacing |  Product Discovery Solution Interview |
|---|---|---|---|
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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 45-90 min | 30-60 min je Interview |
Participantsdifferent | Based on research question | 2-8 | 5-10 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Assumption List, Critical Assumptions, Learning Plan | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | ValidationUXPrototype | AssumptionsRiskDecisionDiscovery | ValidationInterviewsPrototype |
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