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| Criterion |  Operations Kaizen Event |  Decision Making PERT Estimation |  Facilitation Dot Estimation |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 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. | 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 | Low |
Timedifferent | 0.5-5 Tage | 15-45 min | 5-20 min | 15-60 min |
Participantsdifferent | 4-10 | 1-8 | 3-20 | 2-9 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | PERT Estimate, Expected Value, Risk Notes | Effort Heatmap, Risk Signals, Discussion Targets | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | LeanContinuous improvementOperations | EstimationUncertaintyRisk | EstimationEffortRisk | EstimationEffortAgile |