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| Criterion |  Decision Making Decision Tree |  Decision Making Pre-Mortem |  Architecture Architecture Inception Canvas |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | 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 Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-90 min | 20–45 min | 1-2 h | 45-90 min |
Participantsdifferent | 1-6 | Small cross-functional group | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Risk list, Mitigation plan, Assumption log | Inception Canvas, Risks, Goal List, Open Questions | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DecisionTreeOptions | RiskDecisionFailurePlanning | AlignmentArchitectureCanvas | AssumptionsRiskDecisionDiscovery |