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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations ABC Analysis |  Operations Change Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 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 | High | Low | Medium | Low |
Timedifferent | 2-6 h | 30-60 min | 45-120 min | 30-60 min |
Participantsdifferent | 3-10 | 1-5 | 2-6 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | ABC Classification, Focus Rules, Control List | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | PrioritizationOperationsPortfolio | ChangeRoot causeTroubleshootingComparison | Root causeQualityOperations |