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| Criterion |  Decision Making Delphi Method |  Operations Kaizen Event |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 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. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 1-4 Wochen | 0.5-5 Tage | 30-120 min |
Participantsdifferent | 6-30 Experten | 4-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Observation Notes, Improvement Ideas |
Tagsno overlap | ForecastingExpertsDecisionStrategy | LeanContinuous improvementOperations | LeanObservationProcessOperations |
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