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| Criterion |  Engineering Kanban |  Decision Making PERT Estimation |  Agile Ideal Days |
|---|---|---|---|
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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | Ongoing | 15-45 min | 15-60 min |
Participantsdifferent | 2-12 | 1-8 | 2-9 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | PERT Estimate, Expected Value, Risk Notes | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | FlowVisual managementDelivery | EstimationUncertaintyRisk | EstimationEffortAgile |
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