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| Criterion |  Decision Making Delphi Method |  Operations A3 Problem Solving |  Operations Fishbone Diagram |
|---|---|---|---|
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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit 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 | Medium | Low |
Timedifferent | 1-4 Wochen | 45-90 min | 30-60 min |
Participantsdifferent | 6-30 Experten | 2-5 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | A3 Report, Action Plan, Root Cause Analysis | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | ForecastingExpertsDecisionStrategy | LeanProblem solvingCoachingOperations | Root causeQualityOperations |
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