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| Criterion |  Operations Scatter Diagram |  Decision Making Delphi Method |  Operations 8D Problem Solving |
|---|---|---|---|
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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-90 min | 1-4 Wochen | 1-6 Wochen |
Participantsdifferent | 1-4 | 6-30 Experten | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Expert Forecast, Consensus Range, Assumption Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityVisualization | ForecastingExpertsDecisionStrategy | QualityProblem solvingRoot cause |
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