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| Criterion |  Knowledge Modeling PARA Method |  Operations ALPEN Method |  Systems Thinking Iceberg Model |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | The PARA Method organizes knowledge into Projects, Areas, Resources, and Archives. It creates order when digital notes, files, and tasks no longer cleanly fit current work. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-3 h Setup, laufend | 10-20 min daily | 30-60 min | 2-6 h |
Participantsdifferent | 1 | 1 | 2-10 | 3-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Daily Plan, Time Estimates, Review Notes | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | KnowledgeProductivityOrganization | PlanningTime managementProductivityOperations | Systems thinkingRoot causePatterns | Systems thinkingRoot causeConstraintsCausality |