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| Criterion |  Product Discovery Context Canvas |  Decision Making Pre-Mortem |  Decision Making Decision Tree |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | 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. | 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 | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 20–45 min | 30-90 min | 45-90 min |
Participantsdifferent | 3-10 | Small cross-functional group | 1-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ContextFramingRequirementsCanvas | RiskDecisionFailurePlanning | DecisionTreeOptions | AssumptionsRiskDecisionDiscovery |