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Selected:LASR (Lightweight Approach for Software Reviews)Lean CanvasValue Chain AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Strategy Lean Canvas |  Business Strategy Value Chain Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min | Half day | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-6 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
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 | Lean Canvas, Core Assumptions, Experiment Backlog | Value Chain Map, Lever List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | StartupLeanAssumptionsBusiness model | StrategyBusiness modelDiagnosisAnalysis | ArchitectureQualityRiskTradeoffsStakeholders |