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| Criterion |  Knowledge Modeling PARA Method |  Operations Fishbone Diagram |  Operations Root Cause Tree Analysis |  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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 | Low | Medium | Low |
Timedifferent | 1-3 h Setup, laufend | 30-60 min | 1-3 h | 15-30 min |
Participantsdifferent | 1 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Fishbone Diagram, Cause Categories, Investigation Backlog | Cause Tree, Evidence Notes, Countermeasures | Root cause notes, Countermeasures |
Tagsno overlap | KnowledgeProductivityOrganization | Root causeQualityOperations | Root causeTreeIncidentQuality | Root causeIncidentLeanProblem solving |