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Selected:Assumption SurfacingLASR (Lightweight Approach for Software Reviews)SAAM (Software Architecture Analysis Method)Assumption Mapping
| Criterion |  Decision Making Assumption Surfacing |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture SAAM (Software Architecture Analysis Method) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | Preparation, scenario analysis, and findings review; effort depends on scope | 45-60 min |
Participantsdifferent | 2-8 | 1 or a small team; particularly suitable for 3–4 people | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | 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 | 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 | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureQualityRiskAssessmentLean | ArchitectureChangeAnalysisComparisonQuality | AssumptionsRiskExperimentsValidation |