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| Criterion |  Operations Change Analysis |  Systems Thinking Iceberg Model |  Systems Thinking Current Reality Tree |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | 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 Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 45-120 min | 30-60 min | 2-6 h | 1-3 h |
Participantsdifferent | 2-6 | 2-10 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Current Reality Tree, Core Problems, Intervention Ideas | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Systems thinkingRoot causePatterns | Systems thinkingRoot causeConstraintsCausality | FeedbackSystems thinkingCausalityDynamics |