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| Criterion |  Product Discovery Context Canvas |  Decision Making Pre-Mortem |  Decision Making Assumption Surfacing |  Product Strategy DIBB |
|---|---|---|---|---|
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. | 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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 45-90 min | 20–45 min | 45-90 min | 1-2 h |
Participantsdifferent | 3-10 | Small cross-functional group | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Risk list, Mitigation plan, Assumption log | Assumption List, Critical Assumptions, Learning Plan | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | ContextFramingRequirementsCanvas | RiskDecisionFailurePlanning | AssumptionsRiskDecisionDiscovery | StrategyDecisionAssumptionsHypothesis |