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| Criterion |  Decision Making Three-Point Estimation |  Operations ALPEN Method |  Agile NoEstimates |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 10-30 min je Item | 10-20 min daily | laufend | 1-2 h Setup, laufend |
Participantsdifferent | 1-8 | 1 | 2-12 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Daily Plan, Time Estimates, Review Notes | Throughput Data, Flow Forecast, Slicing Rules | Action Lists, Project List, Review Routine |
Tagsno overlap | EstimationUncertaintyForecasting | PlanningTime managementProductivityOperations | EstimationForecastingFlow | ProductivityPlanningTasksExecution |