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| Criterion |  Product Discovery Assumption Mapping |  Agile 4Ls Retrospective |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-60 min | 45–75 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | Team members involved | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | 4Ls Board, Learning Themes, Improvement Actions | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | AssumptionsRiskExperimentsValidation | RetrospectiveLearningReflectionTeam | ExperimentsValidationDiscoveryAssumptions |
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