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Selected:Affinity DiagrammingATAM (Architecture Tradeoff Analysis Method)Change AnalysisSAAM (Software Architecture Analysis Method)
| Criterion |  UX Research Affinity Diagramming |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Change Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 45–90 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-120 min | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 2-6 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Change Matrix, Cause Hypotheses, Validation Questions, Action List | 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 |
Tagsno overlap | SynthesisQualitativeRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | ChangeRoot causeTroubleshootingComparison | ArchitectureChangeAnalysisComparisonQuality |