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Selected:Assumption SurfacingSoftware Architecture CanvasLASR (Lightweight Approach for Software Reviews)Architecture Inception Canvas
| Criterion |  Decision Making Assumption Surfacing |  Architecture Software Architecture Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 1-2 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-2 h |
Participantsdifferent | 2-8 | 3-10 | 1 or a small team; particularly suitable for 3–4 people | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Architecture Canvas, Goals, Constraints, Quality Attributes | 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 | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | CanvasArchitectureAlignmentWorkshop | ArchitectureQualityRiskAssessmentLean | AlignmentArchitectureCanvas |