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| Criterion |  Operations Scatter Diagram |  Operations 5 Whys |  Operations Change Analysis |
|---|---|---|---|
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 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-90 min | 15-30 min | 45-120 min |
Participantsdifferent | 1-4 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Root cause notes, Countermeasures | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tags1 shared | Root causeQualityVisualization | Root causeIncidentLeanProblem solving | ChangeRoot causeTroubleshootingComparison |
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