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| Criterion |  Product Discovery Solution Interview |  Innovation Starbursting |  Innovation Brainwriting |  Product Discovery Problem Interview |
|---|---|---|---|---|
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. | Helps clarify ideas, open questions, and testable next steps in concrete terms. It opens the thinking space, collects ideas, and leads to testable options. The result is captured as a star-shaped question map, question list, and assumption list. | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-60 min je Interview | 30-60 min | 15-30 min | 30-60 min je Interview |
Participantsdifferent | 5-10 Interviews | 3-10 | 3-12 | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Star-Shaped Question Map, Question List, Assumption List | Idea sheets, Expanded concepts, Prioritized list | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | ValidationInterviewsPrototype | BrainstormingIdeationWorkshopDiscovery | BrainstormingCollaborationInclusionIdeas | DiscoveryInterviewsValidation |