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| Criterion |  Innovation Lean Startup |  Agile Sprint Retrospective |  Product Discovery Assumption Mapping |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-60 min | 45-90 min |
Participantsdifferent | 2-8 | Scrum Team | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Improvement actions, Team agreements | Assumption map, Test backlog, Risk ranking | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | LeanStartupValidationMVP | RetrospectiveImprovementLearning | AssumptionsRiskExperimentsValidation | StartupLeanAssumptionsBusiness model |