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| Criterion |  Operations After-Action Review |  Operations Bottleneck Analysis |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 20-45 min | 1-3 h | 2-6 h | 30-60 min |
Participantsdifferent | 3-12 | 3-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LearningOperationsImprovement | FlowMeasurementConstraints | RiskQualityOperationsRoot cause | Root causeQualityOperations |