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| Criterion |  Knowledge Modeling PARA Method |  Operations Kepner-Tregoe |  Decision Making Constraint 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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 | High | Low | Low |
Timedifferent | 1-3 h Setup, laufend | 2-8 h | 30-90 min | 15-30 min |
Participantsdifferent | 1 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Problem Analysis, Decision Analysis, Risk Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Root cause notes, Countermeasures |
Tagsno overlap | KnowledgeProductivityOrganization | Problem solvingRoot causeDecisionOperations | ConstraintsDecisionPlanningOptions | Root causeIncidentLeanProblem solving |