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Selected:Fishbone DiagramService BlueprintingSAAM (Software Architecture Analysis Method)Change Analysis
| Criterion |  Operations Fishbone Diagram |  UX Design Service Blueprinting |  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. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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 | 0.5-2 Tage | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | 2-8 | 6-12 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Service Blueprint, Fail Points, Ownership Map | 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 | Service designOperationsJourneyBlueprint | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |