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| Criterion |  Domain Modeling EventStorming |  UX Research User Interviews |  UX Research Customer Journey Mapping |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 2-8 h | 30–60 min per interview | 2-4 h | 1-4 Wochen |
Participantsdifferent | 5-12 | 1 participant per interview | 4-10 | 3-10 Kunden |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Themes, Insight Summary | Journey Map, Pain-point List, Opportunity Backlog | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | QualitativeResearchCustomerDiscovery | JourneyServiceService design | MVPValidationServiceDiscovery |