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| Criterion |  UX Design Service Blueprinting |  Product Discovery Assumption Mapping |  Growth A/B Testing |  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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | High | Low |
Timedifferent | 0.5-2 Tage | 45-60 min | 1-4 Wochen | 45-90 min |
Participantsdifferent | 6-12 | 2-8 | 1-6 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Assumption map, Test backlog, Risk ranking | Experiment results, Decision log, Learning summary | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Service designOperationsJourneyBlueprint | AssumptionsRiskExperimentsValidation | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskDecisionDiscovery |