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| Criterion |  Decision Making Wideband Delphi |  Operations Root Cause Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | High | Medium | High |
Timedifferent | 1-4 h or multiple rounds | 1-4 h | 2-8 h |
Participantsdifferent | 4-12 Experten | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | EstimationExpertsForecasting | Root causeProblem solvingQualityIncident | Problem solvingRoot causeDecisionOperations |
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