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| Criterion |  Product Strategy Lean Canvas |  Product Discovery Assumption Mapping |  Agile Starfish Retrospective |  Agile Sailboat Retrospective |
|---|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | When a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | 45-60 min | 45-90 min | 45-90 min |
Participantsdifferent | 1-6 | 2-8 | 4-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Assumption map, Test backlog, Risk ranking | Starfish Board, Practice Changes, Experiments | Sailboat Board, Risks, Improvement Actions |
Tagsno overlap | StartupLeanAssumptionsBusiness model | AssumptionsRiskExperimentsValidation | RetrospectiveImprovementExperimentsTeam | RetrospectiveTeamImprovement |