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| Criterion |  Systems Thinking Current Reality Tree |  Innovation Design Thinking |  Systems Thinking Iceberg Model |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 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 | High | High | Low | Medium |
Timedifferent | 2-6 h | 1 Tag bis mehrere Wochen | 30-60 min | 1-3 h |
Participantsdifferent | 3-8 | 4-10 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Problem Statement, Prototype, Test Learnings | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | InnovationPrototypeResearch | Systems thinkingRoot causePatterns | FeedbackSystems thinkingCausalityDynamics |