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| Criterion |  Innovation Crazy 8s |  Product Discovery Hypothesis Prioritization Canvas |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 8-15 min | 60-90 min | 20-35 min | 25-40 min |
Participantsdifferent | 1-10 | 3-8 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Prioritization Canvas, Hypothesis Backlog | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |