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| Criterion |  Engineering Kanban |  Product Strategy DIBB |  DevOps Blameless Postmortem |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | Ongoing | 1-2 h | 30-90 min | 45-90 min |
Participantsdifferent | 2-12 | 2-8 | 3-12 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | DIBB document, Belief list, Bet list, Learning report | Postmortem Doc, Action Items, Timeline | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | FlowVisual managementDelivery | StrategyDecisionAssumptionsHypothesis | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskDecisionDiscovery |