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| Criterion |  DevOps Blameless Postmortem |  Decision Making Constraint Analysis |  Growth A/B Testing |
|---|---|---|---|
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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 30-90 min | 30-90 min | 1-4 Wochen |
Participantsdifferent | 3-12 | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Experiment results, Decision log, Learning summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ConstraintsDecisionPlanningOptions | ExperimentsGrowthAnalyticsValidation |
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