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| Criterion |  Operations ALPEN Method |  Decision Making Pre-Mortem |  Operations Fault Tree Analysis |  Operations Failure Mode and Effects 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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 10-20 min daily | 20–45 min | 2-6 h | 2-6 h |
Participantsdifferent | 1 | Small cross-functional group | 3-8 | 3-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Risk list, Mitigation plan, Assumption log | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PlanningTime managementProductivityOperations | RiskDecisionFailurePlanning | RiskRoot causeSafety | RiskQualityOperationsRoot cause |