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| Criterion |  Decision Making Delphi Method |  Decision Making Wideband Delphi |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|
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. |
Complexitydifferent | High | High | Low |
Timedifferent | 1-4 Wochen | 1-4 h or multiple rounds | 15-45 min |
Participantsdifferent | 6-30 Experten | 4-12 Experten | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Estimate Range, Assumption Log, Expert Consensus Notes | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | ForecastingExpertsDecisionStrategy | EstimationExpertsForecasting | ComparisonFacilitationAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
