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Selected:Test CardLASR (Lightweight Approach for Software Reviews)Assumption MappingAssumption Surfacing
| Criterion |  Product Discovery Test Card |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Assumption Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20-35 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-60 min | 45-90 min |
Participantsdifferent | 1-5 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | 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 | Assumption map, Test backlog, Risk ranking | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskExperimentsValidation | AssumptionsRiskDecisionDiscovery |