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Selected:Test CardLASR (Lightweight Approach for Software Reviews)Hypothesis Prioritization CanvasATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Product Discovery Test Card |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Hypothesis Prioritization Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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 | Low | Medium | Medium | High |
Timedifferent | 20-35 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-5 | 1 or a small team; particularly suitable for 3–4 people | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Test Card with a pre-set threshold | 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 | Prioritization Canvas, Hypothesis Backlog | 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 | ExperimentsValidationDiscoveryHypothesis | ArchitectureQualityRiskAssessmentLean | ExperimentsPrioritizationDiscoveryHypothesis | ArchitectureQualityRiskTradeoffsStakeholders |