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| Criterion |  Systems Thinking Iceberg Model |  Operations Change Analysis |  Operations Barrier Analysis |  Systems Thinking Behavior Over Time Graph |
|---|---|---|---|---|
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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-60 min | 45-120 min | 2-4 h | 20-45 min |
Participantsdifferent | 2-10 | 2-6 | 2-6 | 1-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Behavior Over Time Graph, Trend Hypotheses, Key Events |
Tagsno overlap | Systems thinkingRoot causePatterns | ChangeRoot causeTroubleshootingComparison | Root causeSafetyIncident | Systems thinkingPatternsDynamics |