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| Criterion |  Delivery Communication Plan |  Growth A/B Testing |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | Low | High | Low |
Timedifferent | 45-90 min | 1-4 Wochen | 15-45 min |
Participantsdifferent | 2-6 | 1-6 | 1-3 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance |
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