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| Criterion |  Decision Making Delphi Method |  Delivery Communication Plan |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1-4 Wochen | 45-90 min | 15-45 min |
Participantsdifferent | 6-30 Experten | 2-6 | 1-3 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Communication Plan, Channel Matrix, Message Cadence | ADR File, Decision Log, Rationale |
Tagsno overlap | ForecastingExpertsDecisionStrategy | CommunicationStakeholdersDeliveryPlanning | ArchitectureRationaleDocumentationGovernance |
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