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| Criterion |  Decision Making Pre-Mortem |  Decision Making Decision Tree |  Architecture Software Architecture Canvas |  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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | Low | Medium |
Timedifferent | 20–45 min | 30-90 min | 1-2 h | 60-120 min |
Participantsdifferent | Small cross-functional group | 1-6 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List | Architecture Canvas, Goals, Constraints, Quality Attributes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskDecisionFailurePlanning | DecisionTreeOptions | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationStakeholdersCanvas |