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| Criterion |  DevOps Incident Timeline Analysis |  Product Discovery Learning Card |  DevOps Blameless Postmortem |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 60-180 min | 25-40 min | 30-90 min | 30-60 min |
Participantsdifferent | 3-10 | 1-5 | 3-12 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Learning Card with evidence and next action | Postmortem Doc, Action Items, Timeline | Completed Experiment Canvas, Success Metric |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ExperimentsValidationDiscoveryLearning | Site Reliability EngineeringIncidentLearningReliability | ExperimentsValidationDiscoveryHypothesis |