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| Criterion |  Product Discovery Solution Interview |  Innovation Brainstorming |  Innovation Crazy 8s |  Innovation Design Sprint |
|---|---|---|---|---|
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 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. | 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. | 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 | Low | Low | High |
Timedifferent | 30-60 min je Interview | 30-60 min | 8-15 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 4-12 | 1-10 | 5-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Idea pool, Theme clusters, Shortlist | Sketch Set, Idea Shortlist, Direction Options | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingSketchingSpeedDivergenceDesign sprint | Design sprintPrototypeValidationInnovation |