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| Criterion |  DevOps Blameless Postmortem |  Growth Funnel Analysis |  Operations Learning Review |  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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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 | Medium | Medium | High |
Timedifferent | 30-90 min | 1-3 h | 1-3 h | 1-4 Wochen |
Participantsdifferent | 3-12 | 1-5 | 3-10 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Funnel report, Drop-off analysis, Optimization hypotheses | Learning Review Notes, System Factors, Improvement Actions | Experiment results, Decision log, Learning summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | AnalyticsConversionGrowth | LearningRetrospectiveIncidentOperations | ExperimentsGrowthAnalyticsValidation |