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| Criterion |  Domain Modeling EventStorming |  Product Discovery Fake Door Test |  Product Discovery Concierge MVP |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 2-8 h | 1-5 Tage | 1-4 Wochen | 25-40 min |
Participantsdifferent | 5-12 | Nutzertraffic | 3-10 Kunden | 1-5 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Click Data, Interest Signal, Learning Decision | Concierge Learnings, Service Blueprint, MVP Risks | Learning Card with evidence and next action |
Tags1 shared | Domain-Driven DesignEventsDiscoveryWorkshop | ValidationExperimentsDemandDiscovery | MVPValidationServiceDiscovery | ExperimentsValidationDiscoveryLearning |