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| Criterion |  Operations Kepner-Tregoe |  Decision Making Delphi Method |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-8 h | 1-4 Wochen | 30-60 min |
Participantsdifferent | 2-8 | 6-30 Experten | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Expert Forecast, Consensus Range, Assumption Notes | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | ForecastingExpertsDecisionStrategy | Root causeQualityOperations |
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