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| Criterion |  Operations Ivy Lee Method |  Decision Making Assumption Surfacing |  Operations ALPEN Method |  Operations Getting Things Done |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 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 | Low | Medium |
Timedifferent | 5-10 min daily | 45-90 min | 10-20 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 1 | 2-8 | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Assumption List, Critical Assumptions, Learning Plan | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | PrioritizationProductivityExecution | AssumptionsRiskDecisionDiscovery | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution |