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Selected:3-Circle Venn DiagramSAAM (Software Architecture Analysis Method)Change AnalysisStakeholder Mapping
| Criterion |  Facilitation 3-Circle Venn Diagram |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Facilitation Stakeholder Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 15-45 min | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 60–90 min |
Participantsdifferent | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Venn Diagram, Overlap Notes, Differentiators | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | ComparisonFacilitationAlignment | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | StakeholdersAlignmentFacilitationChange |