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| Criterion |  Operations Gemba Walk |  Innovation Double Diamond |  Innovation Crazy 8s |  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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 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 | Low | Medium |
Timedifferent | 30-120 min | Wochen bis Monate | 8-15 min | 45-90 min |
Participantsdifferent | 2-6 | 3-12 | 1-10 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Sketch Set, Idea Shortlist, Direction Options | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | ProcessDivergenceInnovation | BrainstormingSketchingSpeedDivergenceDesign sprint | LeanProblem solvingCoachingOperations |