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Selected:CATWOE AnalysisATAM (Architecture Tradeoff Analysis Method)RICE ScoringFailure Mode and Effects Analysis
| Criterion |  Systems Thinking CATWOE Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Strategy RICE Scoring |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | 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. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min | 2-6 h |
Participantsdifferent | 3-8 | Evaluation team, architects, and relevant stakeholders | 2-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RICE Scores, Ranked List, Assumption Log | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Systems thinkingFramingStakeholders | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationScoringRoadmapTradeoffs | RiskQualityOperationsRoot cause |