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| Criterion |  Innovation Design Thinking |  Innovation Double Diamond |  UX Research First-click Testing |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | 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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | Wochen bis Monate | 1-2 Tage | 30-60 min je Interview |
Participantsdifferent | 4-10 | 3-12 | 10-30 | 5-10 Interviews |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Click Heatmap, Success Rate, Design Recommendations | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | InnovationPrototypeResearch | ProcessDivergenceInnovation | UXNavigationFindabilityValidation | ValidationInterviewsPrototype |