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| Criterion |  UX Design Service Blueprinting |  Product Discovery Learning Card |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |
|---|---|---|---|---|
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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 0.5-2 Tage | 25-40 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 6-12 | 1-5 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | Service designOperationsJourneyBlueprint | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth |