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| Criterion |  Operations Gemba Walk |  Innovation Design Sprint |  Innovation Double Diamond |  Innovation Crazy 8s |
|---|---|---|---|---|
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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 30-120 min | 4-5 Tage | Wochen bis Monate | 8-15 min |
Participantsdifferent | 2-6 | 5-8 | 3-12 | 1-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Prototype, Test Findings, Decision Rationale | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | LeanObservationProcessOperations | Design sprintPrototypeValidationInnovation | ProcessDivergenceInnovation | BrainstormingSketchingSpeedDivergenceDesign sprint |