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| Criterion |  Architecture Architecture Decision Record |  Operations Gemba Walk |  Delivery RAID Log |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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 | 15-45 min | 30-120 min | 30 min Setup, dann laufend | 45-90 min |
Participantsdifferent | 1-3 | 2-6 | 1-3 maintaining, briefing for everyone | 2-5 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Observation Notes, Improvement Ideas | RAID Log, Status Report Source | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanObservationProcessOperations | RiskTrackingStakeholdersGovernance | LeanProblem solvingCoachingOperations |