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| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Innovation TRIZ |  Innovation Morphological Analysis |
|---|---|---|---|---|
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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 1-4 h | 1-3 h |
Participantsdifferent | 4-10 | 5-10 Interviews | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Contradiction Statement, Inventive Principles, Solution Concepts | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | InnovationProblem solvingContradictionsCreativity | IdeationInnovationCreativity |