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| Criterion |  Delivery Communication Plan |  Architecture Architecture Decision Record |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 15-45 min | 45–90 min |
Participantsdifferent | 2-6 | 1-3 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | ADR File, Decision Log, Rationale | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ArchitectureRationaleDocumentationGovernance | SynthesisQualitativeRoot cause |
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