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| Criterion |  DevOps Blameless Postmortem |  UX Research HEART Framework |  Operations After-Action Review |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | 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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 30-90 min | 120 min initial, dann laufend | 20-45 min | Halber Tag |
Participantsdifferent | 3-12 | 3-6 | 3-12 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | HEART-GSM Table, Dashboard | Lessons learned, Action items, Event summary | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | MetricsUX researchMeasurementSatisfaction | LearningOperationsImprovement | ResilienceOperationsIncident |