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| Criterion |  Operations Barrier Analysis |  Operations ALPEN Method |  Operations 5 Whys |
|---|---|---|---|
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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 2-4 h | 10-20 min daily | 15-30 min |
Participantsdifferent | 2-6 | 1 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Plan, Time Estimates, Review Notes | Root cause notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | PlanningTime managementProductivityOperations | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
