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Selected:Scatter Diagram8D Problem SolvingCATWOE AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations Scatter Diagram |  Operations 8D Problem Solving |  Systems Thinking CATWOE Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 30-90 min | 1-6 Wochen | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-4 | 4-10 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | 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 |
Tagsno overlap | Root causeQualityVisualization | QualityProblem solvingRoot cause | Systems thinkingFramingStakeholders | ArchitectureQualityRiskTradeoffsStakeholders |