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| Criterion |  Operations Gemba Walk |  Innovation Crazy 8s |  Operations 8D 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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-120 min | 8-15 min | 1-6 Wochen |
Participantsdifferent | 2-6 | 1-10 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Sketch Set, Idea Shortlist, Direction Options | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingSketchingSpeedDivergenceDesign sprint | QualityProblem solvingRoot cause |
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