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| Criterion |  Decision Making Delphi Method |  Operations Fishbone Diagram |  Decision Making Risk Matrix |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 | Low | Low | High |
Timedifferent | 1-4 Wochen | 30-60 min | 30-60 min | 2-8 h |
Participantsdifferent | 6-30 Experten | 2-8 | 3-10 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Fishbone Diagram, Cause Categories, Investigation Backlog | Risk Matrix, Top Risk List | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Root causeQualityOperations | RiskDecisionPrioritizationAssessment | Problem solvingRoot causeDecisionOperations |