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| Criterion |  Decision Making Delphi Method |  Decision Making DACI |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 1-4 Wochen | 30-60 min | 1-5 Tage |
Participantsdifferent | 6-30 Experten | 2-10 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | DACI Matrix, Decision Owner, Decision Log | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ForecastingExpertsDecisionStrategy | DecisionRolesGovernanceAlignment | ValidationExperimentsDemandDiscovery |
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