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| Criterion |  Operations Getting Things Done |  Operations Ivy Lee Method |  Decision Making Risk Matrix |  Decision Making Pre-Mortem |
|---|---|---|---|---|
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. | 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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 5-10 min daily | 30-60 min | 20–45 min |
Participantsdifferent | 1 | 1 | 3-10 | Small cross-functional group |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | Action Lists, Project List, Review Routine | Daily Priority List, Completion Notes | Risk Matrix, Top Risk List | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ProductivityPlanningTasksExecution | PrioritizationProductivityExecution | RiskDecisionPrioritizationAssessment | RiskDecisionFailurePlanning |