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| Criterion |  DevOps Blameless Postmortem |  Operations A3 Problem Solving |  UX Design Service Blueprinting |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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 a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-90 min | 45-90 min | 0.5-2 Tage | 20-45 min |
Participantsdifferent | 3-12 | 2-5 | 6-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | A3 Report, Action Plan, Root Cause Analysis | Service Blueprint, Fail Points, Ownership Map | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | LeanProblem solvingCoachingOperations | Service designOperationsJourneyBlueprint | LearningOperationsImprovement |