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| Criterion |  Product Discovery Solution Interview |  UX Research First-click Testing |  Innovation TRIZ |  Innovation Design Sprint |
|---|---|---|---|---|
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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 1-4 h | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 10-30 | 2-8 | 5-8 |
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 | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | UXNavigationFindabilityValidation | InnovationProblem solvingContradictionsCreativity | Design sprintPrototypeValidationInnovation |