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| Criterion |  Operations Barrier Analysis |  Operations ALPEN Method |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Low | Low |
Timedifferent | 2-4 h | 10-20 min daily | 30-60 min |
Participantsdifferent | 2-6 | 1 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Plan, Time Estimates, Review Notes | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Root causeSafetyIncident | PlanningTime managementProductivityOperations | Root causeQualityOperations |
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