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Selected:CATWOE AnalysisRoot Cause Tree AnalysisRoot Cause AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Systems Thinking CATWOE Analysis |  Operations Root Cause Tree Analysis |  Operations Root Cause Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 45-90 min | 1-3 h | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-8 | 2-8 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Cause Tree, Evidence Notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | Systems thinkingFramingStakeholders | Root causeTreeIncidentQuality | Root causeProblem solvingQualityIncident | ArchitectureQualityRiskTradeoffsStakeholders |