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| Criterion |  UX Research Diary Study |  DevOps Incident Command |  DevOps Game Day |  Operations 5 Whys |
|---|---|---|---|---|
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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-4 Wochen | As needed | Halber Tag | 15-30 min |
Participantsdifferent | 5-20 | 4-15 | 5-20 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks | Root cause notes, Countermeasures |
Tagsno overlap | UX researchTrackingBehavior | IncidentOperationsReliability | ResilienceOperationsIncident | Root causeIncidentLeanProblem solving |