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| Criterion |  Operations 8D Problem Solving |  Operations Change Analysis |  Systems Thinking Behavior Over Time Graph |
|---|---|---|---|
Purposedifferent | 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. | 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. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 1-6 Wochen | 45-120 min | 20-45 min |
Participantsdifferent | 4-10 | 2-6 | 1-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Behavior Over Time Graph, Trend Hypotheses, Key Events |
Tagsno overlap | QualityProblem solvingRoot cause | ChangeRoot causeTroubleshootingComparison | Systems thinkingPatternsDynamics |
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