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| Criterion |  Engineering Failure Scenario Analysis |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |  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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | Medium | High | Low |
Timedifferent | 1-3 h | 45-90 min | 2-8 h | 20–45 min |
Participantsdifferent | 3-8 | 2-5 | 2-8 | Small cross-functional group |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | FailureResilienceRisk | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations | RiskDecisionFailurePlanning |