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| Criterion |  Agile Sprint Retrospective |  Product Strategy Lean Canvas |  Product Discovery Assumption Mapping |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-90 min | 45-60 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | Scrum Team | 1-6 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Improvement actions, Team agreements | Lean Canvas, Core Assumptions, Experiment Backlog | Assumption map, Test backlog, Risk ranking | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | RetrospectiveImprovementLearning | StartupLeanAssumptionsBusiness model | AssumptionsRiskExperimentsValidation | LeanStartupValidationMVP |