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| Criterion |  Innovation Double Diamond |  Product Discovery Solution Interview |  Innovation Rapid Ideation |  Innovation Brainstorming |
|---|---|---|---|---|
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 decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 5-20 min | 30-60 min |
Participantsdifferent | 3-12 | 5-10 Interviews | 1-20 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Solution Feedback, Objection List, Validation Notes | Ideenpool, Roh-Shortlist, Cluster | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | ProcessDivergenceInnovation | ValidationInterviewsPrototype | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityWorkshopDivergence |