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| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Facilitation 1-2-4-All |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 10-20 min | 20-45 min |
Participantsdifferent | 4-10 | 5-10 Interviews | 4-100+ | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Idea List, Shared Insights, Emergent Themes | Idea List, Cluster, Shortlist |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | FacilitationInclusionIdeation | BrainstormingIdeationFacilitationInclusionCreativity |