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Selected:SAAM (Software Architecture Analysis Method)Lean CanvasLASR (Lightweight Approach for Software Reviews)Assumption Surfacing
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Product Strategy Lean Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 1-6 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 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 | Lean Canvas, Core Assumptions, Experiment Backlog | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | StartupLeanAssumptionsBusiness model | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskDecisionDiscovery |