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| Criterion |  Architecture Architecture Decision Record |  UX Research User Interviews |  Knowledge Modeling Event Modeling |  UX Research Personas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 15-45 min | 30–60 min per interview | 2-6 h | 1-3 Tage |
Participantsdifferent | 1-3 | 1 participant per interview | 2-8 | Internes Team |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Interview Notes, Themes, Insight Summary | Event Model, UI Flow, Commands, Read Models | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | QualitativeResearchCustomerDiscovery | EventsBlueprintDomain-Driven DesignBehavior | ResearchCustomerSynthesis |