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| Criterion |  Decision Making Wideband Delphi |  Decision Making Delphi Method |  Systems Thinking Future Reality Tree |
|---|---|---|---|
Purposedifferent | 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 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 Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. |
Complexitysame | High | High | High |
Timedifferent | 1-4 h or multiple rounds | 1-4 Wochen | 2-4 h |
Participantsdifferent | 4-12 Experten | 6-30 Experten | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy | Theory of ConstraintsSystems thinkingChange |
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