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| Criterion |  Decision Making DACI |  Product Discovery Assumption Mapping |  Operations RACI Matrix |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 45-60 min | 45-90 min |
Participantsdifferent | 2-10 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Assumption map, Test backlog, Risk ranking | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | DecisionRolesGovernanceAlignment | AssumptionsRiskExperimentsValidation | RolesResponsibilityGovernanceOperations |
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