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| Criterion |  Operations Time Blocking |  Operations ALPEN Method |  Product Discovery Opportunity Interview |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 15-30 min Planung, laufend | 10-20 min daily | 30-60 min je Interview | 1-2 h Setup, laufend |
Participantsdifferent | 1 | 1 | 5-12 Interviews | 1 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Daily Plan, Time Estimates, Review Notes | Interview Notes, Opportunity Themes, Customer Quotes | Action Lists, Project List, Review Routine |
Tagsno overlap | PlanningTime managementFocus | PlanningTime managementProductivityOperations | DiscoveryInterviewsOpportunityCustomer | ProductivityPlanningTasksExecution |