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Selected:Riskiest Assumption TestLASR (Lightweight Approach for Software Reviews)Fake Door TestAssumption Surfacing
| Criterion |  Product Discovery Riskiest Assumption Test |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Fake Door Test |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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. | 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 | Medium | Medium | Medium | Low |
Timedifferent | 1-2 Wochen pro Iteration | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-5 Tage | 45-90 min |
Participantsdifferent | 2-6 | 1 or a small team; particularly suitable for 3–4 people | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Prioritized Assumption List, Test Plan, Results Report | 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 | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ExperimentsValidationDiscoveryAssumptions | ArchitectureQualityRiskAssessmentLean | ValidationExperimentsDemandDiscovery | AssumptionsRiskDecisionDiscovery |