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| Criterion |  Product Discovery Solution Interview |  UX Research First-click Testing |  Innovation TRIZ |  Innovation Design Thinking |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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. | 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 1-4 h | 1 Tag bis mehrere Wochen |
Participantsdifferent | 5-10 Interviews | 10-30 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Click Heatmap, Success Rate, Design Recommendations | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ValidationInterviewsPrototype | UXNavigationFindabilityValidation | InnovationProblem solvingContradictionsCreativity | InnovationPrototypeResearch |