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| Criterion |  Operations Change Analysis |  Operations Root Cause Analysis |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-120 min | 1-4 h | 30-60 min |
Participantsdifferent | 2-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tags1 shared | ChangeRoot causeTroubleshootingComparison | Root causeProblem solvingQualityIncident | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
