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Selected:Gemba WalkLASR (Lightweight Approach for Software Reviews)Riskiest Assumption TestExperiment Canvas
| Criterion |  Operations Gemba Walk |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Riskiest Assumption Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-2 Wochen pro Iteration | 30-60 min |
Participantsdifferent | 2-6 | 1 or a small team; particularly suitable for 3–4 people | 2-6 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | 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 | Prioritized Assumption List, Test Plan, Results Report | Completed Experiment Canvas, Success Metric |
Tagsno overlap | LeanObservationProcessOperations | ArchitectureQualityRiskAssessmentLean | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryHypothesis |