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| Criterion |  Product Discovery Assumption Mapping |  Decision Making DACI |  Decision Making Decision Rights Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | Medium | Low |
Timedifferent | 45-60 min | 30-60 min | 90-180 min | 45-90 min |
Participantsdifferent | 2-8 | 2-10 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | AssumptionsRiskExperimentsValidation | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility | AssumptionsRiskDecisionDiscovery |