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| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Innovation TRIZ |  Innovation Design Sprint |
|---|---|---|---|---|
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. | 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 | High | Medium | High | High |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 1-4 h | 4-5 Tage |
Participantsdifferent | 4-10 | 5-10 Interviews | 2-8 | 5-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Contradiction Statement, Inventive Principles, Solution Concepts | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | InnovationProblem solvingContradictionsCreativity | Design sprintPrototypeValidationInnovation |