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| Criterion |  UX Research Contextual Inquiry |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |
|---|---|---|---|
Purposedifferent | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 Wochen | 30-90 min | 60-180 min |
Participantsdifferent | 4-12 Beobachtungen | 3-12 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | UX researchObservationContext | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering |
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