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| Criterion |  Knowledge Modeling PARA Method |  UX Design Service Blueprinting |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
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 service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-3 h Setup, laufend | 0.5-2 Tage | 15-30 min | 1-4 h |
Participantsdifferent | 1 | 6-12 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Service Blueprint, Fail Points, Ownership Map | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | KnowledgeProductivityOrganization | Service designOperationsJourneyBlueprint | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |