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| Criterion |  Innovation Contradiction Analysis |  Innovation Design Thinking |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | Medium | High | Low | Low |
Timedifferent | 60-120 min | 1 Tag bis mehrere Wochen | 30-60 min | 20-35 min |
Participantsdifferent | 2-8 | 4-10 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Problem Statement, Prototype, Test Learnings | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | ContradictionsInnovationProblem solving | InnovationPrototypeResearch | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |