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| Criterion |  Product Strategy ICE Scoring |  Product Discovery MVP Test Matrix |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 45-75 min | 20-35 min |
Participantsdifferent | 2-8 | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | Test Matrix, Test Plan | Test Card with a pre-set threshold |
Tagsno overlap | PrioritizationScoringGrowthDecision | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |
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