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| Criterion |  Product Discovery Problem Interview |  Innovation TRIZ |  Product Discovery Test Card |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 30-60 min je Interview | 1-4 h | 20-35 min | 60-90 min |
Participantsdifferent | 5-12 Interviews | 2-8 | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Contradiction Statement, Inventive Principles, Solution Concepts | Test Card with a pre-set threshold | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | DiscoveryInterviewsValidation | InnovationProblem solvingContradictionsCreativity | ExperimentsValidationDiscoveryHypothesis | ExperimentsPrioritizationDiscoveryHypothesis |