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| Criterion |  Innovation Double Diamond |  Product Discovery Problem Interview |  UX Research Surveys |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | 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 the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. | 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 | Medium | Medium | High |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 3-14 Tage | 4-5 Tage |
Participantsdifferent | 3-12 | 5-12 Interviews | 50+ | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Evidence, Risk Notes, Customer Segments | Survey Results, Charts, Segment Insights | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ProcessDivergenceInnovation | DiscoveryInterviewsValidation | QuantitativeResearchValidation | Design sprintPrototypeValidationInnovation |