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| Criterion |  Innovation Double Diamond |  Operations 8D Problem Solving |  Agile Three Amigos |
|---|---|---|---|
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. | 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. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. |
Complexitydifferent | Medium | High | Low |
Timedifferent | Wochen bis Monate | 1-6 Wochen | 15-30 min |
Participantsdifferent | 3-12 | 4-10 | 3 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Clarified Story, Test Examples, Open Questions |
Tagsno overlap | ProcessDivergenceInnovation | QualityProblem solvingRoot cause | CollaborationBehavior-Driven DevelopmentQualityRefinement |
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