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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Product Kata |  Product Discovery Learning Card |
|---|---|---|---|
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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-2 Wochen je Loop | 25-40 min |
Participantsdifferent | 3-12 | 3-10 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Direction, Current metric, Target metric, Experiment note, Learning report | Learning Card with evidence and next action |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | OutcomesDiscoveryLearningIterationCoaching | ExperimentsValidationDiscoveryLearning |
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