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| Criterion |  Operations After-Action Review |  DevOps ChatOps |  Operations 8D Problem Solving |  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 operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Ongoing | 1-6 Wochen | 30-60 min |
Participantsdifferent | 3-12 | 2-20 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Chat Transcript, Action Log, Automations | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LearningOperationsImprovement | CollaborationEngineeringIncident | QualityProblem solvingRoot cause | Root causeQualityOperations |