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| Criterion |  Operations Gemba Walk |  Facilitation Dot Estimation |  Operations Kaizen Event |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. | 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. | 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 | Low | Low | Medium | Low |
Timedifferent | 30-120 min | 5-20 min | 0.5-5 Tage | 15-60 min |
Participantsdifferent | 2-6 | 3-20 | 4-10 | 2-9 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Effort Heatmap, Risk Signals, Discussion Targets | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | LeanObservationProcessOperations | EstimationEffortRisk | LeanContinuous improvementOperations | EstimationEffortAgile |