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| Criterion |  Systems Thinking Iceberg Model |  Architecture Views and Beyond |  Operations Failure Mode and Effects Analysis |  Operations 8D 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 30-60 min | 1-3 Tage | 2-6 h | 1-6 Wochen |
Participantsdifferent | 2-10 | 1-4 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Architecture Views, Cross-view Notes, Rationale | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Systems thinkingRoot causePatterns | DocumentationStakeholdersArchitecture | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause |