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| Criterion |  Innovation Double Diamond |  Operations Gemba Walk |  Agile Specification by Example |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | 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. | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate | 30-120 min | 60-90 min pro Feature | 0.5-5 Tage |
Participantsdifferent | 3-12 | 2-6 | 3-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Observation Notes, Improvement Ideas | Example Table, Acceptance Tests | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | ProcessDivergenceInnovation | LeanObservationProcessOperations | AgileRequirementsExamplesBehavior-Driven Development | LeanContinuous improvementOperations |