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Selected:Lean CanvasLASR (Lightweight Approach for Software Reviews)ATAM (Architecture Tradeoff Analysis Method)Business Model Stress Test
| Criterion |  Product Strategy Lean Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 | Medium | High | High |
Timedifferent | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | Several meetings plus preparation and analysis; total effort depends on scope | Half day |
Participantsdifferent | 1-6 | 1 or a small team; particularly suitable for 3–4 people | Evaluation team, architects, and relevant stakeholders | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 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 | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureQualityRiskAssessmentLean | ArchitectureQualityRiskTradeoffsStakeholders | StrategyBusiness modelRiskDiagnosis |