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| Criterion |  Operations ALPEN Method |  Systems Thinking Evaporating Cloud |  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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 | Medium | High | Medium |
Timedifferent | 10-20 min daily | 60-120 min | 2-6 h | 2-4 h |
Participantsdifferent | 1 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | PlanningTime managementProductivityOperations | Theory of ConstraintsAssumptionsSystems thinking | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |