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| Criterion |  Decision Making DACI |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-60 min | 1-5 Tage | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-10 | Nutzertraffic | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | DecisionRolesGovernanceAlignment | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions |
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