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| Criterion |  Operations RACI Matrix |  Decision Making Assumption Surfacing |  Product Discovery Assumption Mapping |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 45-90 min | 45-60 min | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Assumption List, Critical Assumptions, Learning Plan | Assumption map, Test backlog, Risk ranking | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RolesResponsibilityGovernanceOperations | AssumptionsRiskDecisionDiscovery | AssumptionsRiskExperimentsValidation | DecisionRolesGovernanceAlignment |