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| Criterion |  Knowledge Modeling Event Modeling |  UX Research User Interviews |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | 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. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 2-6 h | 30–60 min per interview | 15-45 min |
Participantsdifferent | 2-8 | 1 participant per interview | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Interview Notes, Themes, Insight Summary | ADR File, Decision Log, Rationale |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | QualitativeResearchCustomerDiscovery | ArchitectureRationaleDocumentationGovernance |
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