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| Criterion |  Operations After-Action Review |  UX Research Customer Journey Mapping |  DevOps Blameless Postmortem |  UX Design Service Blueprinting |
|---|---|---|---|---|
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 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. | 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 service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 20-45 min | 2-4 h | 30-90 min | 0.5-2 Tage |
Participantsdifferent | 3-12 | 4-10 | 3-12 | 6-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Journey Map, Pain-point List, Opportunity Backlog | Postmortem Doc, Action Items, Timeline | Service Blueprint, Fail Points, Ownership Map |
Tagsno overlap | LearningOperationsImprovement | JourneyServiceService design | Site Reliability EngineeringIncidentLearningReliability | Service designOperationsJourneyBlueprint |