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| Criterion |  Product Discovery Assumption Mapping |  UX Design Customer Journey Canvas |  UX Research Customer Journey Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 | Medium | Low |
Timedifferent | 45-60 min | 1-3 h | 2-4 h | 45-90 min |
Participantsdifferent | 2-8 | 3-10 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Customer Journey Canvas, Pain Points, Experience Opportunities | Journey Map, Pain-point List, Opportunity Backlog | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | AssumptionsRiskExperimentsValidation | JourneyCustomerService designCanvas | JourneyServiceService design | AssumptionsRiskDecisionDiscovery |