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| Criterion |  Operations Scatter Diagram |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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 | Low | High | High | Low |
Timedifferent | 30-90 min | 2-6 h | 2-6 h | 30-60 min |
Participantsdifferent | 1-4 | 3-10 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tags1 shared | Root causeQualityVisualization | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality | Root causeQualityOperations |