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| Criterion |  Systems Thinking Iceberg Model |  Architecture Architecture Decision Record |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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 | Medium |
Timedifferent | 30-60 min | 15-45 min | 45-90 min |
Participantsdifferent | 2-10 | 1-3 | 2-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | ADR File, Decision Log, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Systems thinkingRoot causePatterns | ArchitectureRationaleDocumentationGovernance | LeanProblem solvingCoachingOperations |
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