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| Criterion |  Architecture Architecture Decision Record |  UX Research Affinity Diagramming |  Knowledge Modeling Event Modeling |
|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Low | Medium |
Timedifferent | 15-45 min | 45–90 min | 2-6 h |
Participantsdifferent | 1-3 | 3-10 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Theme clusters, Insight statements, Opportunity areas | Event Model, UI Flow, Commands, Read Models |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | SynthesisQualitativeRoot cause | EventsBlueprintDomain-Driven DesignBehavior |
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