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| Criterion |  Systems Thinking Iceberg Model |  Systems Thinking Rich Picture |  Operations Family Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
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. | A Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 30-90 min | 2-4 h | 2-4 h |
Participantsdifferent | 2-10 | 2-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Rich Picture, Problem Framing Notes | Family Tree Diagram, Pattern Notes, Systemic Measures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Systems thinkingRoot causePatterns | Systems thinkingSoft systemsFramingVisualization | Root causePatternsIncidentSystemic | Root causeSafetyIncident |