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| Criterion |  Operations ALPEN Method |  Systems Thinking Soft Systems Methodology |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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. | 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. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 10-20 min daily | 0.5-3 Tage | 2-6 h | 2-4 h |
Participantsdifferent | 1 | 5-15 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | PlanningTime managementProductivityOperations | Soft systemsComplexitySensemakingSystems thinking | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |