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Selected:Fishbone DiagramValue Chain AnalysisSAAM (Software Architecture Analysis Method)Change Analysis
| Criterion |  Operations Fishbone Diagram |  Business Strategy Value Chain Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 30-60 min | Half day | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | 2-8 | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Value Chain Map, Lever 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | Root causeQualityOperations | StrategyBusiness modelDiagnosisAnalysis | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |