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| Criterion |  Decision Making Wideband Delphi |  Facilitation Dot Estimation |  Operations Fault Tree Analysis |
|---|---|---|---|
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 size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | High | Low | High |
Timedifferent | 1-4 h or multiple rounds | 5-20 min | 2-6 h |
Participantsdifferent | 4-12 Experten | 3-20 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Effort Heatmap, Risk Signals, Discussion Targets | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | EstimationExpertsForecasting | EstimationEffortRisk | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
