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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Pretotyping |  Operations Learning Review |
|---|---|---|---|
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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | Stunden bis wenige Tage | 1-3 h |
Participantsdifferent | 3-12 | 1-4 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ValidationDemandMVP | LearningRetrospectiveIncidentOperations |
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