View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Engineering Failure Scenario Analysis |  Operations ALPEN Method |  Operations Fault Tree Analysis |  Decision Making Pre-Mortem |
|---|---|---|---|---|
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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-3 h | 10-20 min daily | 2-6 h | 20–45 min |
Participantsdifferent | 3-8 | 1 | 3-8 | Small cross-functional group |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Daily Plan, Time Estimates, Review Notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | FailureResilienceRisk | PlanningTime managementProductivityOperations | RiskRoot causeSafety | RiskDecisionFailurePlanning |