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| Criterion |  Decision Making Three-Point Estimation |  Agile Ideal Days |  Engineering Kanban |  Facilitation Dot Estimation |
|---|---|---|---|---|
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 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. | 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. | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 10-30 min je Item | 15-60 min | Ongoing | 5-20 min |
Participantsdifferent | 1-8 | 2-9 | 2-12 | 3-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Kanban board, WIP policies, Flow metrics | Effort Heatmap, Risk Signals, Discussion Targets |
Tagsno overlap | EstimationUncertaintyForecasting | EstimationEffortAgile | FlowVisual managementDelivery | EstimationEffortRisk |