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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Pretotyping |  DevOps Incident Timeline Analysis |  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. | 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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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 | Medium |
Timedifferent | 30-90 min | Stunden bis wenige Tage | 60-180 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 3-12 | 1-4 | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ValidationDemandMVP | IncidentTimelineSite Reliability Engineering | LeanStartupValidationMVP |