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Selected:Lean CanvasChange AnalysisRoot Cause Tree AnalysisSAAM (Software Architecture Analysis Method)
| Criterion |  Product Strategy Lean Canvas |  Operations Change Analysis |  Operations Root Cause Tree Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 | Medium | Medium | Medium | High |
Timedifferent | 45-90 min | 45-120 min | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 1-6 | 2-6 | 2-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Cause Tree, Evidence Notes, Countermeasures | 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 | StartupLeanAssumptionsBusiness model | ChangeRoot causeTroubleshootingComparison | Root causeTreeIncidentQuality | ArchitectureChangeAnalysisComparisonQuality |