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| Criterion |  Product Discovery Solution Interview |  UX Research Surveys |  Decision Making Force Field Analysis |  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 a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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 | Medium | Low | High |
Timedifferent | 30-60 min je Interview | 3-14 Tage | 45-90 min | 1 Tag bis mehrere Wochen |
Participantsdifferent | 5-10 Interviews | 50+ | 3-12 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Survey Results, Charts, Segment Insights | Force Field Map, Change Levers, Risk Notes | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ValidationInterviewsPrototype | QuantitativeResearchValidation | ChangeDecisionStrategy | InnovationPrototypeResearch |