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Selected:Change AnalysisSAAM (Software Architecture Analysis Method)Power Interest Grid3-Circle Venn Diagram
| Criterion |  Operations Change Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Facilitation Power Interest Grid |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 45-120 min | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min | 15-45 min |
Participantsdifferent | 2-6 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | 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 | Power Interest Grid, Strategy per Stakeholder | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ArchitectureChangeAnalysisComparisonQuality | StakeholdersFacilitationAlignmentPlanning | ComparisonFacilitationAlignment |