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Selected:Lean CanvasATAM (Architecture Tradeoff Analysis Method)Knowledge MappingAssumption Surfacing
| Criterion |  Product Strategy Lean Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Knowledge Modeling Knowledge Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | 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 | High | Medium | Low |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 45-90 min |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureQualityRiskTradeoffsStakeholders | KnowledgeMappingRisk | AssumptionsRiskDecisionDiscovery |