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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Product Kata |  UX Design Lean UX Canvas |  DevOps Incident Command |
|---|---|---|---|---|
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. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-2 Wochen je Loop | 2-3 h | As needed |
Participantsdifferent | 3-12 | 3-10 | 3-8 | 4-15 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Direction, Current metric, Target metric, Experiment note, Learning report | Completed Lean UX Canvas, Hypothesis list, First experiment | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | OutcomesDiscoveryLearningIterationCoaching | CanvasHypothesisOutcomesDiscovery | IncidentOperationsReliability |