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| Criterion |  Operations Fishbone Diagram |  Decision Making Wideband Delphi |  Decision Making Delphi Method |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-60 min | 1-4 h or multiple rounds | 1-4 Wochen |
Participantsdifferent | 2-8 | 4-12 Experten | 6-30 Experten |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Estimate Range, Assumption Log, Expert Consensus Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Root causeQualityOperations | EstimationExpertsForecasting | ForecastingExpertsDecisionStrategy |
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