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| Criterion |  Systems Thinking Iceberg Model |  Operations Change Analysis |  Operations Causal Factor Analysis |  Operations Family Tree 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. | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30-60 min | 45-120 min | 2-6 h | 2-4 h |
Participantsdifferent | 2-10 | 2-6 | 3-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tags1 shared | Systems thinkingRoot causePatterns | ChangeRoot causeTroubleshootingComparison | CausalityIncidentRoot causeTimeline | Root causePatternsIncidentSystemic |