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| Criterion |  Product Discovery Working Backwards |  Operations Root Cause Tree Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 | High |
Timedifferent | 4-8 h, mehrere Iterationen | 1-3 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | 2-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | 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 | VisionNarrativeAlignment | Root causeTreeIncidentQuality | ArchitectureChangeAnalysisComparisonQuality |
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