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| Criterion |  UX Research Customer Journey Mapping |  DevOps Incident Timeline Analysis |  Agile 4Ls Retrospective |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | 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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 2-4 h | 60-180 min | 45–75 min | 30-90 min |
Participantsdifferent | 4-10 | 3-10 | Team members involved | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | JourneyServiceService design | IncidentTimelineSite Reliability Engineering | RetrospectiveLearningReflectionTeam | Site Reliability EngineeringIncidentLearningReliability |