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| Criterion |  Decision Making Pre-Mortem |  Architecture Architecture Communication Canvas |  Decision Making Argument Mapping |
|---|---|---|---|
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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20–45 min | 60-120 min | 1-3 h |
Participantsdifferent | Small cross-functional group | 2-8 | 1-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | RiskDecisionFailurePlanning | ArchitectureCommunicationStakeholdersCanvas | SensemakingDecisionRationale |
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