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| Criterion |  Innovation Contradiction Analysis |  Innovation TRIZ |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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 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. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 60-120 min | 1-4 h | 30-60 min | 1-5 Tage |
Participantsdifferent | 2-8 | 2-8 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Contradiction Statement, Inventive Principles, Solution Concepts | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ContradictionsInnovationProblem solving | InnovationProblem solvingContradictionsCreativity | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |