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| Criterion |  Operations Getting Things Done |  Decision Making Pre-Mortem |  Operations ALPEN Method |  Decision Making Constraint Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 20–45 min | 10-20 min daily | 30-90 min |
Participantsdifferent | 1 | Small cross-functional group | 1 | 2-8 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Action Lists, Project List, Review Routine | Risk list, Mitigation plan, Assumption log | Daily Plan, Time Estimates, Review Notes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tags1 shared | ProductivityPlanningTasksExecution | RiskDecisionFailurePlanning | PlanningTime managementProductivityOperations | ConstraintsDecisionPlanningOptions |