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| Criterion |  Operations Gemba Walk |  Facilitation Dot Estimation |  Operations PDCA Cycle |
|---|---|---|---|
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 an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-120 min | 5-20 min | 1 h bis mehrere Wochen |
Participantsdifferent | 2-6 | 3-20 | 1-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Effort Heatmap, Risk Signals, Discussion Targets | PDCA Log, Experiment Plan, Learning Outcome, Standard Change |
Tagsno overlap | LeanObservationProcessOperations | EstimationEffortRisk | Continuous improvementLeanExperiments |
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