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| Criterion |  Engineering Failure Scenario Analysis |  Operations A3 Problem Solving |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | Medium | Medium | Low | High |
Timedifferent | 1-3 h | 45-90 min | 30-120 min | 2-6 h |
Participantsdifferent | 3-8 | 2-5 | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | A3 Report, Action Plan, Root Cause Analysis | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FailureResilienceRisk | LeanProblem solvingCoachingOperations | LeanObservationProcessOperations | RiskQualityOperationsRoot cause |