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| Criterion |  Operations Gemba Walk |  Innovation Brainwriting |  Facilitation 1-2-4-All |
|---|---|---|---|
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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-120 min | 15-30 min | 10-20 min |
Participantsdifferent | 2-6 | 3-12 | 4-100+ |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Idea sheets, Expanded concepts, Prioritized list | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingCollaborationInclusionIdeas | FacilitationInclusionIdeation |
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