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| Criterion |  DevOps Blameless Postmortem |  UX Research HEART Framework |  DevOps Game Day |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | 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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-90 min | 120 min initial, dann laufend | Halber Tag | 30-60 min |
Participantsdifferent | 3-12 | 3-6 | 5-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | HEART-GSM Table, Dashboard | Simulation Notes, Gaps List, Updated Runbooks | Counter Metric List, Guardrail Definitions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | MetricsUX researchMeasurementSatisfaction | ResilienceOperationsIncident | MetricsMeasurementStrategyExperiments |