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| Criterion |  Operations Kaizen Event |  Facilitation Dot Estimation |  Operations 5 Whys |
|---|---|---|---|
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. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 0.5-5 Tage | 5-20 min | 15-30 min |
Participantsdifferent | 4-10 | 3-20 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Effort Heatmap, Risk Signals, Discussion Targets | Root cause notes, Countermeasures |
Tagsno overlap | LeanContinuous improvementOperations | EstimationEffortRisk | Root causeIncidentLeanProblem solving |
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