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| Criterion |  Operations Time Blocking |  Operations Barrier Analysis |  Operations Causal Factor Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | 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 | High | Low |
Timedifferent | 15-30 min Planung, laufend | 2-4 h | 2-6 h | 10-20 min daily |
Participantsdifferent | 1 | 2-6 | 3-10 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PlanningTime managementFocus | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline | PlanningTime managementProductivityOperations |