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| Criterion |  Decision Making Assumption Surfacing |  Decision Making DACI |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 45-90 min | 30-60 min | 45-60 min |
Participantsdifferent | 2-8 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | DACI Matrix, Decision Owner, Decision Log | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | DecisionRolesGovernanceAlignment | AssumptionsRiskExperimentsValidation |
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