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| Criterion |  Product Discovery Solution Interview |  Innovation Rapid Ideation |  Innovation Design Sprint |  Innovation Crazy 8s |
|---|---|---|---|---|
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 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 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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 30-60 min je Interview | 5-20 min | 4-5 Tage | 8-15 min |
Participantsdifferent | 5-10 Interviews | 1-20 | 5-8 | 1-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Ideenpool, Roh-Shortlist, Cluster | Prototype, Test Findings, Decision Rationale | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | ValidationInterviewsPrototype | BrainstormingIdeationDivergenceSpeed | Design sprintPrototypeValidationInnovation | BrainstormingSketchingSpeedDivergenceDesign sprint |