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| Criterion |  Operations Gemba Walk |  Innovation Design Charrette |  UX Design Design Studio |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | 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. | When several designs need to be quickly put in relation to each other, it makes ideas visible and comparable. It encourages early variants instead of long upfront debates. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | Halber Tag bis mehrere Tage | 1-3 h | 45-90 min |
Participantsdifferent | 2-6 | 10-50 | 3-8 | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Sketches, Concept Directions, Design Decisions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingWorkshopCollaborationIdeation | SketchingCollaborationIdeation | LeanProblem solvingCoachingOperations |