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| Criterion |  Operations Gemba Walk |  Architecture Architecture Inception Canvas |  Architecture Architecture Decision Record |  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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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 | Low | Low | Low | Medium |
Timedifferent | 30-120 min | 1-2 h | 15-45 min | 45-90 min |
Participantsdifferent | 2-6 | 3-8 | 1-3 | 2-5 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Inception Canvas, Risks, Goal List, Open Questions | ADR File, Decision Log, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | AlignmentArchitectureCanvas | ArchitectureRationaleDocumentationGovernance | LeanProblem solvingCoachingOperations |