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| Criterion |  Operations Ivy Lee Method |  Operations ALPEN Method |  Product Discovery Riskiest Assumption Test |  Operations Eat the Frog |
|---|---|---|---|---|
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. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 5-10 min daily | 10-20 min daily | 1-2 Wochen pro Iteration | 15-90 min daily |
Participantsdifferent | 1 | 1 | 2-6 | 1 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes | Prioritized Assumption List, Test Plan, Results Report | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations | ExperimentsValidationDiscoveryAssumptions | PrioritizationProductivityFocusExecution |