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| Criterion |  UX Research User Interviews |  Architecture arc42 |  Domain Modeling EventStorming |
|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 1-2 Tage | 2-8 h |
Participantsdifferent | 1 participant per interview | 1-4 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Architecture Document, Context View, Runtime View, Deployment View | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureDocumentationCommunication | Domain-Driven DesignEventsDiscoveryWorkshop |
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