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| Criterion |  Operations Gemba Walk |  Innovation Starbursting |  Operations 5 Whys |  Innovation Design Charrette |
|---|---|---|---|---|
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. | Helps clarify ideas, open questions, and testable next steps in concrete terms. It opens the thinking space, collects ideas, and leads to testable options. The result is captured as a star-shaped question map, question list, and assumption list. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Medium |
Timedifferent | 30-120 min | 30-60 min | 15-30 min | Halber Tag bis mehrere Tage |
Participantsdifferent | 2-6 | 3-10 | 2-6 | 10-50 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Star-Shaped Question Map, Question List, Assumption List | Root cause notes, Countermeasures | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingIdeationWorkshopDiscovery | Root causeIncidentLeanProblem solving | BrainstormingWorkshopCollaborationIdeation |