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| Criterion |  UX Research User Interviews |  Domain Modeling EventStorming |  UX Research Customer Journey Mapping |  Knowledge Modeling Event Modeling |
|---|---|---|---|---|
Purposedifferent | 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 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 2-8 h | 2-4 h | 2-6 h |
Participantsdifferent | 1 participant per interview | 5-12 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Journey Map, Pain-point List, Opportunity Backlog | Event Model, UI Flow, Commands, Read Models |
Tagsno overlap | QualitativeResearchCustomerDiscovery | Domain-Driven DesignEventsDiscoveryWorkshop | JourneyServiceService design | EventsBlueprintDomain-Driven DesignBehavior |