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Selected:A3 Problem SolvingRiskiest Assumption TestLASR (Lightweight Approach for Software Reviews)Experiment Canvas
| Criterion |  Operations A3 Problem Solving |  Product Discovery Riskiest Assumption Test |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 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 | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-2 Wochen pro Iteration | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min |
Participantsdifferent | 2-5 | 2-6 | 1 or a small team; particularly suitable for 3–4 people | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | 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 | Completed Experiment Canvas, Success Metric |
Tagsno overlap | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryAssumptions | ArchitectureQualityRiskAssessmentLean | ExperimentsValidationDiscoveryHypothesis |