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| Criterion |  Innovation Double Diamond |  Product Discovery Solution Interview |  Innovation TRIZ |  Innovation Design Thinking |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | 1-4 h | 1 Tag bis mehrere Wochen |
Participantsdifferent | 3-12 | 5-10 Interviews | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Solution Feedback, Objection List, Validation Notes | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ProcessDivergenceInnovation | ValidationInterviewsPrototype | InnovationProblem solvingContradictionsCreativity | InnovationPrototypeResearch |