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| Criterion |  UX Research Usability Testing |  Product Discovery Assumption Mapping |  UX Research Affinity Diagramming |  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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Medium | Low | Low |
Timedifferent | 1-2 h je Session | 45-60 min | 45–90 min | 45-90 min |
Participantsdifferent | Based on research question | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Assumption map, Test backlog, Risk ranking | Theme clusters, Insight statements, Opportunity areas | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ValidationUXPrototype | AssumptionsRiskExperimentsValidation | SynthesisQualitativeRoot cause | AssumptionsRiskDecisionDiscovery |