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Selected:LASR (Lightweight Approach for Software Reviews)Fake Door TestATAM (Architecture Tradeoff Analysis Method)MVP Test Matrix
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Fake Door Test |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-5 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 45-75 min |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | Nutzertraffic | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop + async | 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 | Click Data, Interest Signal, Learning Decision | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Test Matrix, Test Plan |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | ValidationExperimentsDemandDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryOptions |