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| Criterion |  Product Discovery Assumption Mapping |  Innovation Crazy 8s |  Product Strategy Lean Canvas |  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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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 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 | Medium |
Timedifferent | 45-60 min | 8-15 min | 45-90 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 1-10 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Sketch Set, Idea Shortlist, Direction Options | Lean Canvas, Core Assumptions, Experiment Backlog | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | AssumptionsRiskExperimentsValidation | BrainstormingSketchingSpeedDivergenceDesign sprint | StartupLeanAssumptionsBusiness model | ExperimentsValidationDiscoveryAssumptions |