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| Criterion |  UX Design Service Blueprinting |  Product Discovery Assumption Mapping |  UX Design Customer Journey Canvas |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. | 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 | High | Medium | Medium | Low |
Timedifferent | 0.5-2 Tage | 45-60 min | 1-3 h | 45-90 min |
Participantsdifferent | 6-12 | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Assumption map, Test backlog, Risk ranking | Customer Journey Canvas, Pain Points, Experience Opportunities | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Service designOperationsJourneyBlueprint | AssumptionsRiskExperimentsValidation | JourneyCustomerService designCanvas | AssumptionsRiskDecisionDiscovery |