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| Criterion |  Innovation Brainwriting |  Operations Gemba Walk |  Operations Kaizen Event |  Innovation Design Charrette |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-120 min | 0.5-5 Tage | Halber Tag bis mehrere Tage |
Participantsdifferent | 3-12 | 2-6 | 4-10 | 10-50 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Observation Notes, Improvement Ideas | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | LeanObservationProcessOperations | LeanContinuous improvementOperations | BrainstormingWorkshopCollaborationIdeation |