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| Criterion |  Product Discovery Solution Interview |  Innovation Design Thinking |  Operations Eat the Frog |  Decision Making Eisenhower Matrix |
|---|---|---|---|---|
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. | 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 method protects energy and attention for the task that creates the largest progress and is often postponed. | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 30-60 min je Interview | 1 Tag bis mehrere Wochen | 15-90 min daily | 15-30 min |
Participantsdifferent | 5-10 Interviews | 4-10 | 1 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Statement, Prototype, Test Learnings | Priority Task, Completion Note, Daily Focus | Eisenhower Matrix, Action List, Delegation Notes |
Tagsno overlap | ValidationInterviewsPrototype | InnovationPrototypeResearch | PrioritizationProductivityFocusExecution | PrioritizationFocusTasks |