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Selected:PretotypingSAAM (Software Architecture Analysis Method)Root Cause Tree Analysis8D Problem Solving
| Criterion |  Product Discovery Pretotyping |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Root Cause Tree Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | Stunden bis wenige Tage | Preparation, scenario analysis, and findings review; effort depends on scope | 1-3 h | 1-6 Wochen |
Participantsdifferent | 1-4 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | 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 | Cause Tree, Evidence Notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ValidationDemandMVP | ArchitectureChangeAnalysisComparisonQuality | Root causeTreeIncidentQuality | QualityProblem solvingRoot cause |