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| Criterion |  Decision Making DACI |  Product Strategy DIBB |  Product Discovery Assumption Mapping |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 1-2 h | 45-60 min | 90-180 min |
Participantsdifferent | 2-10 | 2-8 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | DIBB document, Belief list, Bet list, Learning report | Assumption map, Test backlog, Risk ranking | Decision Rights Matrix, Agreement |
Tagsno overlap | DecisionRolesGovernanceAlignment | StrategyDecisionAssumptionsHypothesis | AssumptionsRiskExperimentsValidation | DecisionGovernanceAlignmentResponsibility |