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| Criterion |  Product Discovery Test Card |  Product Discovery Hypothesis Prioritization Canvas |  Operations 8D Problem Solving |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 20-35 min | 60-90 min | 1-6 Wochen | 45-75 min |
Participantsdifferent | 1-5 | 3-8 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Test Card with a pre-set threshold | Prioritization Canvas, Hypothesis Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Test Matrix, Test Plan |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | ExperimentsPrioritizationDiscoveryHypothesis | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryOptions |