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| Criterion |  Engineering Kanban |  Operations Root Cause Tree Analysis |  Operations A3 Problem Solving |
|---|---|---|---|
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. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | Ongoing | 1-3 h | 45-90 min |
Participantsdifferent | 2-12 | 2-8 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | Cause Tree, Evidence Notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | FlowVisual managementDelivery | Root causeTreeIncidentQuality | LeanProblem solvingCoachingOperations |
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