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| Criterion |  Operations Learning Review |  Operations 5 Whys |  Operations Failure Mode and Effects Analysis |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-3 h | 15-30 min | 2-6 h | 45-90 min |
Participantsdifferent | 3-10 | 2-6 | 3-10 | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LearningRetrospectiveIncidentOperations | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause | LeanProblem solvingCoachingOperations |