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| Criterion |  Decision Making Delphi Method |  Decision Making Wideband Delphi |  Facilitation 3-Circle Venn Diagram |  Decision Making DACI |
|---|---|---|---|---|
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. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | 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. |
Complexitydifferent | High | High | Low | Low |
Timedifferent | 1-4 Wochen | 1-4 h or multiple rounds | 15-45 min | 30-60 min |
Participantsdifferent | 6-30 Experten | 4-12 Experten | 2-8 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Estimate Range, Assumption Log, Expert Consensus Notes | Venn Diagram, Overlap Notes, Differentiators | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ForecastingExpertsDecisionStrategy | EstimationExpertsForecasting | ComparisonFacilitationAlignment | DecisionRolesGovernanceAlignment |