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| Criterion |  Product Discovery Solution Interview |  Operations Ivy Lee Method |  Innovation Design Sprint |  Innovation Design Thinking |
|---|---|---|---|---|
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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. | 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 | Low | High | High |
Timedifferent | 30-60 min je Interview | 5-10 min daily | 4-5 Tage | 1 Tag bis mehrere Wochen |
Participantsdifferent | 5-10 Interviews | 1 | 5-8 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Daily Priority List, Completion Notes | Prototype, Test Findings, Decision Rationale | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationProductivityExecution | Design sprintPrototypeValidationInnovation | InnovationPrototypeResearch |