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Selected:Scatter DiagramATAM (Architecture Tradeoff Analysis Method)8D Problem SolvingRoot Cause Analysis
| Criterion |  Operations Scatter Diagram |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations 8D Problem Solving |  Operations Root Cause Analysis |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-6 Wochen | 1-4 h |
Participantsdifferent | 1-4 | Evaluation team, architects, and relevant stakeholders | 4-10 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tags1 shared | Root causeQualityVisualization | ArchitectureQualityRiskTradeoffsStakeholders | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |