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| Criterion |  Product Strategy Lean Canvas |  Operations ALPEN Method |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 45-90 min | 10-20 min daily | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 1-6 | 1 | Evaluation team, architects, and relevant stakeholders | 2-5 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Daily Plan, Time Estimates, Review Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | StartupLeanAssumptionsBusiness model | PlanningTime managementProductivityOperations | ArchitectureQualityRiskTradeoffsStakeholders | LeanProblem solvingCoachingOperations |