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| Criterion |  Product Discovery Solution Interview |  Operations Time Blocking |  Operations ALPEN Method |  Innovation Design Sprint |
|---|---|---|---|---|
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. | 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. | 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 | Medium | Low | Low | High |
Timedifferent | 30-60 min je Interview | 15-30 min Planung, laufend | 10-20 min daily | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 1 | 1 | 5-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Blocked Calendar, Capacity View, Focus Plan | Daily Plan, Time Estimates, Review Notes | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | PlanningTime managementFocus | PlanningTime managementProductivityOperations | Design sprintPrototypeValidationInnovation |