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Selected:LASR (Lightweight Approach for Software Reviews)Assumption SurfacingLean CanvasBusiness Model Stress Test
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Assumption Surfacing |  Product Strategy Lean Canvas |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min | 45-90 min | Half day |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 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 | Lean Canvas, Core Assumptions, Experiment Backlog | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskDecisionDiscovery | StartupLeanAssumptionsBusiness model | StrategyBusiness modelRiskDiagnosis |