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| Criterion |  Operations Gemba Walk |  Innovation Round Robin Brainstorming |  Innovation Brainstorming |  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. | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 | Low |
Timedifferent | 30-120 min | 20-45 min | 30-60 min | 10-20 min |
Participantsdifferent | 2-6 | 4-10 | 4-12 | 4-100+ |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Idea List, Cluster, Shortlist | Idea pool, Theme clusters, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingIdeationCreativityWorkshopDivergence | FacilitationInclusionIdeation |