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| Criterion |  Knowledge Modeling IBIS |  Decision Making Pre-Mortem |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 20–45 min | 60-120 min |
Participantsdifferent | 2-8 | Small cross-functional group | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Risk list, Mitigation plan, Assumption log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RationaleKnowledgeDecision | RiskDecisionFailurePlanning | ArchitectureCommunicationStakeholdersCanvas |
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