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| Criterion |  Operations Change Analysis |  Decision Making Delphi Method |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 45-120 min | 1-4 Wochen | 1-4 h |
Participantsdifferent | 2-6 | 6-30 Experten | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Expert Forecast, Consensus Range, Assumption Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ForecastingExpertsDecisionStrategy | Root causeProblem solvingQualityIncident |
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