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| Criterion |  Operations ABC Analysis |  Decision Making Assumption Surfacing |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | 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. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 30-60 min | 45-90 min | 30-60 min | 2-6 h |
Participantsdifferent | 1-5 | 2-8 | 2-8 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Assumption List, Critical Assumptions, Learning Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationOperationsPortfolio | AssumptionsRiskDecisionDiscovery | Root causeQualityOperations | RiskQualityOperationsRoot cause |