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| Criterion |  Architecture Architecture Decision Record |  Operations PDCA Cycle |  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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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 | Medium |
Timedifferent | 15-45 min | 1 h bis mehrere Wochen | 45-90 min |
Participantsdifferent | 1-3 | 1-8 | 2-5 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Continuous improvementLeanExperiments | LeanProblem solvingCoachingOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
