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| Criterion |  Systems Thinking Iceberg Model |  Operations Failure Mode and Effects Analysis |  Systems Thinking Behavior Over Time Graph |  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. | 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. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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 | High | Low | High |
Timedifferent | 30-60 min | 2-6 h | 20-45 min | 1-6 Wochen |
Participantsdifferent | 2-10 | 3-10 | 1-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | FMEA Table, Risk Priority, Mitigation Actions | Behavior Over Time Graph, Trend Hypotheses, Key Events | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Systems thinkingRoot causePatterns | RiskQualityOperationsRoot cause | Systems thinkingPatternsDynamics | QualityProblem solvingRoot cause |