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| Criterion |  DevOps Blameless Postmortem |  Operations Eat the Frog |  Decision Making Pareto Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-90 min | 15-90 min daily | 30-60 min | 1-3 h |
Participantsdifferent | 3-12 | 1 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Priority Task, Completion Note, Daily Focus | Pareto Chart, Top Causes, Focus List | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | PrioritizationProductivityFocusExecution | PrioritizationQualityFocusRoot cause | Root causeTreeIncidentQuality |