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| Criterion |  Product Discovery Solution Interview |  Operations Time Blocking |  Innovation Design Thinking |  Operations ALPEN Method |
|---|---|---|---|---|
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 calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 30-60 min je Interview | 15-30 min Planung, laufend | 1 Tag bis mehrere Wochen | 10-20 min daily |
Participantsdifferent | 5-10 Interviews | 1 | 4-10 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Blocked Calendar, Capacity View, Focus Plan | Problem Statement, Prototype, Test Learnings | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ValidationInterviewsPrototype | PlanningTime managementFocus | InnovationPrototypeResearch | PlanningTime managementProductivityOperations |