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| Criterion |  Innovation How Might We |  Product Strategy DIBB |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitysame | Low | Low | Low |
Timedifferent | 30–45 min | 1-2 h | 20-35 min |
Participantsdifferent | 1-10 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | DIBB document, Belief list, Bet list, Learning report | Test Card with a pre-set threshold |
Tagsno overlap | FramingOpportunityIdeationQuestions | StrategyDecisionAssumptionsHypothesis | ExperimentsValidationDiscoveryHypothesis |
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