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| Criterion |  Systems Thinking Future Reality Tree |  Systems Thinking Iceberg Model |  Knowledge Modeling Competency Questions |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | Competency Questions translate a domain model into concrete questions that it must be able to answer. The method keeps the model's scope clean and prevents pretty but useless structures. | 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. |
Complexitydifferent | High | Low | Medium | High |
Timedifferent | 2-4 h | 30-60 min | 2-4 h | 2-6 h |
Participantsdifferent | 3-8 | 2-10 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | Systems thinkingRoot causePatterns | OntologyKnowledge graphScopeRequirementsSemantic | Systems thinkingRoot causeConstraintsCausality |