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| Criterion |  Operations Barrier Analysis |  Operations Causal Factor Analysis |  Operations Weekly Review |  Operations ALPEN Method |
|---|---|---|---|---|
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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. | 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 | Medium | High | Low | Low |
Timedifferent | 2-4 h | 2-6 h | 30-60 min | 10-20 min daily |
Participantsdifferent | 2-6 | 3-10 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Updated Task System, Weekly Focus, Next Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline | ProductivityExecutionPlanning | PlanningTime managementProductivityOperations |