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| Criterion |  Operations ALPEN Method |  Systems Thinking Evaporating Cloud |  Operations Barrier Analysis |  Operations 5 Whys |
|---|---|---|---|---|
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 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 10-20 min daily | 60-120 min | 2-4 h | 15-30 min |
Participantsdifferent | 1 | 2-8 | 2-6 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | PlanningTime managementProductivityOperations | Theory of ConstraintsAssumptionsSystems thinking | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |