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Selected:PretotypingATAM (Architecture Tradeoff Analysis Method)Learning CardLASR (Lightweight Approach for Software Reviews)
| Criterion |  Product Discovery Pretotyping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Learning Card |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | Stunden bis wenige Tage | Several meetings plus preparation and analysis; total effort depends on scope | 25-40 min | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 1-4 | Evaluation team, architects, and relevant stakeholders | 1-5 | 1 or a small team; particularly suitable for 3–4 people |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Learning Card with evidence and next action | 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 |
Tagsno overlap | ValidationDemandMVP | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryLearning | ArchitectureQualityRiskAssessmentLean |