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| Criterion |  Decision Making Pre-Mortem |  Product Discovery Assumption Mapping |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20–45 min | 45-60 min | 60-120 min |
Participantsdifferent | Small cross-functional group | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Assumption map, Test backlog, Risk ranking | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskDecisionFailurePlanning | AssumptionsRiskExperimentsValidation | ArchitectureCommunicationStakeholdersCanvas |
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