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| Criterion |  Operations Scatter Diagram |  Systems Thinking Current Reality Tree |  Operations Root Cause Tree Analysis |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 30-90 min | 2-6 h | 1-3 h | 15-30 min |
Participantsdifferent | 1-4 | 3-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Current Reality Tree, Core Problems, Intervention Ideas | Cause Tree, Evidence Notes, Countermeasures | Root cause notes, Countermeasures |
Tags1 shared | Root causeQualityVisualization | Systems thinkingRoot causeConstraintsCausality | Root causeTreeIncidentQuality | Root causeIncidentLeanProblem solving |