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| Criterion |  Operations ABC Analysis |  Operations 5 Whys |  Operations Barrier 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. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-60 min | 15-30 min | 2-4 h |
Participantsdifferent | 1-5 | 2-6 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Root cause notes, Countermeasures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | PrioritizationOperationsPortfolio | Root causeIncidentLeanProblem solving | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
