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Selected:Assumption SurfacingLASR (Lightweight Approach for Software Reviews)Experiment CanvasTest Card
| Criterion |  Decision Making Assumption Surfacing |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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. | 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min | 20-35 min |
Participantsdifferent | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | 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 | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureQualityRiskAssessmentLean | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |