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| Criterion |  Domain Modeling EventStorming |  UX Research Customer Journey Mapping |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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 a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2-8 h | 2-4 h | 1-5 Tage | 45-75 min |
Participantsdifferent | 5-12 | 4-10 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Workshop | Async | Workshop |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Journey Map, Pain-point List, Opportunity Backlog | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | JourneyServiceService design | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |