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| Criterion |  Decision Making DACI |  Product Discovery Assumption Mapping |  Product Discovery Test Card |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Low | Medium | Low | Low |
Timedifferent | 30-60 min | 45-60 min | 20-35 min | 45-90 min |
Participantsdifferent | 2-10 | 2-8 | 1-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DecisionRolesGovernanceAlignment | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskDecisionDiscovery |