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| Criterion |  Decision Making Three-Point Estimation |  Engineering Kanban |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 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 | 10-30 min je Item | Ongoing | 45-90 min |
Participantsdifferent | 1-8 | 2-12 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Kanban board, WIP policies, Flow metrics | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | EstimationUncertaintyForecasting | FlowVisual managementDelivery | LeanProblem solvingCoachingOperations |
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