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| Criterion |  Operations Scatter Diagram |  Decision Making Delphi Method |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 30-90 min | 1-4 Wochen | 1-3 h |
Participantsdifferent | 1-4 | 6-30 Experten | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Expert Forecast, Consensus Range, Assumption Notes | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Root causeQualityVisualization | ForecastingExpertsDecisionStrategy | Root causeTreeIncidentQuality |
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