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| Criterion |  Operations Scatter Diagram |  Operations 8D Problem Solving |  Systems Thinking CATWOE 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. | 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. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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 | 1-6 Wochen | 45-90 min | 15-30 min |
Participantsdifferent | 1-4 | 4-10 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Root cause notes, Countermeasures |
Tagsno overlap | Root causeQualityVisualization | QualityProblem solvingRoot cause | Systems thinkingFramingStakeholders | Root causeIncidentLeanProblem solving |