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| Criterion |  Operations After-Action Review |  Operations Barrier Analysis |  Operations ALPEN Method |
|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20-45 min | 2-4 h | 10-20 min daily |
Participantsdifferent | 3-12 | 2-6 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Lessons learned, Action items, Event summary | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LearningOperationsImprovement | Root causeSafetyIncident | PlanningTime managementProductivityOperations |
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