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| Criterion |  Innovation Double Diamond |  Architecture Architecture Decision Record |  Operations A3 Problem Solving |
|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | Medium | Low | Medium |
Timedifferent | Wochen bis Monate | 15-45 min | 45-90 min |
Participantsdifferent | 3-12 | 1-3 | 2-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | ADR File, Decision Log, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureRationaleDocumentationGovernance | LeanProblem solvingCoachingOperations |
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