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| Criterion |  DevOps Blameless Postmortem |  UX Research Customer Journey Mapping |  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. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 | 2-4 h | 0.5-2 Tage | 20-45 min |
Participantsdifferent | 3-12 | 4-10 | 6-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Journey Map, Pain-point List, Opportunity Backlog | Service Blueprint, Fail Points, Ownership Map | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | JourneyServiceService design | Service designOperationsJourneyBlueprint | LearningOperationsImprovement |