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| Criterion |  UX Design Service Blueprinting |  Product Discovery Opportunity Solution Tree |  Product Discovery Learning Card |  Product Discovery Fake Door 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. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 0.5-2 Tage | 1-2 h Setup, laufend | 25-40 min | 1-5 Tage |
Participantsdifferent | 6-12 | 2-6 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Opportunity Solution Tree, Experiment Backlog, Learning Log | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Service designOperationsJourneyBlueprint | DiscoveryOutcomesExperimentsOpportunity | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |