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| Criterion |  Product Discovery Solution Interview |  Decision Making Delphi Method |  Innovation Design Thinking |  Business Strategy Business Model Canvas |
|---|---|---|---|---|
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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | The Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 30-60 min je Interview | 1-4 Wochen | 1 Tag bis mehrere Wochen | 1-2 h |
Participantsdifferent | 5-10 Interviews | 6-30 Experten | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Expert Forecast, Consensus Range, Assumption Notes | Problem Statement, Prototype, Test Learnings | Business Model Canvas, Assumption List, Business Hypotheses |
Tagsno overlap | ValidationInterviewsPrototype | ForecastingExpertsDecisionStrategy | InnovationPrototypeResearch | Business modelStrategyValueInnovation |