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| Criterion |  DevOps Blameless Postmortem |  Decision Making Decision Tree |  Operations Eat the Frog |  Delivery Cost of Delay |
|---|---|---|---|---|
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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 30-90 min | 30-90 min | 15-90 min daily | 90-180 min |
Participantsdifferent | 3-12 | 1-6 | 1 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Decision Tree, Option Map, Assumption List | Priority Task, Completion Note, Daily Focus | CoD Table, Prioritization Sequence |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | DecisionTreeOptions | PrioritizationProductivityFocusExecution | PrioritizationDeliveryEconomicsDecision |