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| Criterion |  Engineering Failure Scenario Analysis |  Operations ALPEN Method |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | 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 | Medium | Low | Low |
Timedifferent | 1-3 h | 10-20 min daily | 15-30 min |
Participantsdifferent | 3-8 | 1 | 2-6 |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Daily Plan, Time Estimates, Review Notes | Root cause notes, Countermeasures |
Tagsno overlap | FailureResilienceRisk | PlanningTime managementProductivityOperations | Root causeIncidentLeanProblem solving |
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