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| Criterion |  Innovation Double Diamond |  Product Discovery Solution Interview |  Innovation Brainstorming |  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 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 team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 | Low | High |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 30-60 min | 4-5 Tage |
Participantsdifferent | 3-12 | 5-10 Interviews | 4-12 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Solution Feedback, Objection List, Validation Notes | Idea pool, Theme clusters, Shortlist | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ProcessDivergenceInnovation | ValidationInterviewsPrototype | BrainstormingIdeationCreativityWorkshopDivergence | Design sprintPrototypeValidationInnovation |