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Selected:Lean CanvasLASR (Lightweight Approach for Software Reviews)Architecture Communication CanvasAssumption Mapping
| Criterion |  Product Strategy Lean Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Communication Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 60-120 min | 45-60 min |
Participantsdifferent | 1-6 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | 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 | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationStakeholdersCanvas | AssumptionsRiskExperimentsValidation |