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| Criterion |  Knowledge Modeling PARA Method |  Operations Barrier Analysis |  Systems Thinking Stock and Flow Diagram |  Operations 5 Whys |
|---|---|---|---|---|
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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-3 h Setup, laufend | 2-4 h | 2-6 h | 15-30 min |
Participantsdifferent | 1 | 2-6 | 1-6 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses | Root cause notes, Countermeasures |
Tagsno overlap | KnowledgeProductivityOrganization | Root causeSafetyIncident | DynamicsSimulationFeedbackSystems thinking | Root causeIncidentLeanProblem solving |