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| Criterion |  Systems Thinking CATWOE Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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 | Medium | High | High |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h |
Participantsdifferent | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Systems thinkingFramingStakeholders | ArchitectureChangeAnalysisComparisonQuality | Systems thinkingRoot causeConstraintsCausality |
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