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| Criterion |  UX Research Diary Study |  Operations Runbook |  DevOps Game Day |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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 | Low | High | Medium |
Timedifferent | 1-4 Wochen | 20-60 min | Halber Tag | 30-90 min |
Participantsdifferent | 5-20 | 1-4 | 5-20 | 3-12 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Runbook, Checklist, Escalation Path | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | UX researchTrackingBehavior | OperationsReliabilityDocumentation | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability |