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| Criterion |  Operations After-Action Review |  UX Design Service Blueprinting |  DevOps Blameless Postmortem |
|---|---|---|---|
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. | 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 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 20-45 min | 0.5-2 Tage | 30-90 min |
Participantsdifferent | 3-12 | 6-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Service Blueprint, Fail Points, Ownership Map | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningOperationsImprovement | Service designOperationsJourneyBlueprint | Site Reliability EngineeringIncidentLearningReliability |
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