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| Criterion |  Decision Making Assumption Surfacing |  Decision Making DACI |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 20–45 min |
Participantsdifferent | 2-8 | 2-10 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | DACI Matrix, Decision Owner, Decision Log | Risk list, Mitigation plan, Assumption log |
Tags1 shared | AssumptionsRiskDecisionDiscovery | DecisionRolesGovernanceAlignment | RiskDecisionFailurePlanning |
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