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| Criterion |  Delivery Communication Plan |  Decision Making Assumption Surfacing |  Delivery Cost of Delay |  Decision Making Pre-Mortem |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 45-90 min | 45-90 min | 90-180 min | 20–45 min |
Participantsdifferent | 2-6 | 2-8 | 3-8 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Assumption List, Critical Assumptions, Learning Plan | CoD Table, Prioritization Sequence | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | AssumptionsRiskDecisionDiscovery | PrioritizationDeliveryEconomicsDecision | RiskDecisionFailurePlanning |