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| Criterion |  Decision Making PERT Estimation |  Operations Pomodoro Technique |  Operations Getting Things Done |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | For easily distracted solo work, the method sets clear time boundaries for concentrated work. It protects attention when large tasks would otherwise fall apart into small avoidance moves. | 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 | Medium | Low | Medium | Low |
Timedifferent | 15-45 min | 25 min Zyklen | 1-2 h Setup, laufend | 10-20 min daily |
Participantsdifferent | 1-8 | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Focus Sessions, Task Progress, Interruption Notes | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | EstimationUncertaintyRisk | FocusTime managementProductivityExecution | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations |