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| Criterion |  Operations Fishbone Diagram |  Decision Making Three-Point Estimation |  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 estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption 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 | Medium | High |
Timedifferent | 30-60 min | 10-30 min je Item | 1-4 Wochen |
Participantsdifferent | 2-8 | 1-8 | 6-30 Experten |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Three-Point Estimate, Risk Range, Assumption Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Root causeQualityOperations | EstimationUncertaintyForecasting | ForecastingExpertsDecisionStrategy |
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