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| Criterion |  Operations Ivy Lee Method |  Product Discovery Opportunity Interview |  Operations Getting Things Done |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. | 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 | Low | Medium | Medium | Low |
Timedifferent | 5-10 min daily | 30-60 min je Interview | 1-2 h Setup, laufend | 10-20 min daily |
Participantsdifferent | 1 | 5-12 Interviews | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Interview Notes, Opportunity Themes, Customer Quotes | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PrioritizationProductivityExecution | DiscoveryInterviewsOpportunityCustomer | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations |