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| Criterion |  Product Discovery Learning Card |  Innovation Contradiction Analysis |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 25-40 min | 60-120 min | 30-60 min | 20-35 min |
Participantsdifferent | 1-5 | 2-8 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Learning Card with evidence and next action | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | ContradictionsInnovationProblem solving | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |