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| Criterion |  Operations Scatter Diagram |  Operations 8D Problem Solving |  Systems Thinking Iceberg Model |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
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 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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. |
Complexitydifferent | Low | High | Low | High |
Timedifferent | 30-90 min | 1-6 Wochen | 30-60 min | 2-6 h |
Participantsdifferent | 1-4 | 4-10 | 2-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Current Reality Tree, Core Problems, Intervention Ideas |
Tags1 shared | Root causeQualityVisualization | QualityProblem solvingRoot cause | Systems thinkingRoot causePatterns | Systems thinkingRoot causeConstraintsCausality |