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Selected:Lean StartupExperiment CanvasLASR (Lightweight Approach for Software Reviews)Fake Door Test
| Criterion |  Innovation Lean Startup |  Product Discovery Experiment Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-5 Tage |
Participantsdifferent | 2-8 | 1-5 | 1 or a small team; particularly suitable for 3–4 people | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Completed Experiment Canvas, Success Metric | 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 |
Tagsno overlap | LeanStartupValidationMVP | ExperimentsValidationDiscoveryHypothesis | ArchitectureQualityRiskAssessmentLean | ValidationExperimentsDemandDiscovery |