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| Criterion |  DevOps Blameless Postmortem |  Operations 5 Whys |  Innovation Lean Startup |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 15-30 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 3-12 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
