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| Criterion |  Operations Gemba Walk |  Facilitation 1-2-4-All |  Operations Kaizen Event |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-120 min | 10-20 min | 0.5-5 Tage | 20-45 min |
Participantsdifferent | 2-6 | 4-100+ | 4-10 | 4-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Idea List, Shared Insights, Emergent Themes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Idea List, Cluster, Shortlist |
Tagsno overlap | LeanObservationProcessOperations | FacilitationInclusionIdeation | LeanContinuous improvementOperations | BrainstormingIdeationFacilitationInclusionCreativity |