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| Criterion |  Product Discovery Problem Interview |  Operations ALPEN Method |  Operations Time Blocking |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-60 min je Interview | 10-20 min daily | 15-30 min Planung, laufend | 15-90 min daily |
Participantsdifferent | 5-12 Interviews | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Daily Plan, Time Estimates, Review Notes | Blocked Calendar, Capacity View, Focus Plan | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | DiscoveryInterviewsValidation | PlanningTime managementProductivityOperations | PlanningTime managementFocus | PrioritizationProductivityFocusExecution |