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| Criterion |  Operations Scatter Diagram |  Systems Thinking Iceberg Model |  Operations 8D Problem Solving |  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. | 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. | 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. | 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 | Low | High | High |
Timedifferent | 30-90 min | 30-60 min | 1-6 Wochen | 2-6 h |
Participantsdifferent | 1-4 | 2-10 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Iceberg Worksheet, Pattern Notes, Intervention Ideas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Current Reality Tree, Core Problems, Intervention Ideas |
Tags1 shared | Root causeQualityVisualization | Systems thinkingRoot causePatterns | QualityProblem solvingRoot cause | Systems thinkingRoot causeConstraintsCausality |