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| Criterion |  Knowledge Modeling PARA Method |  Product Discovery Fake Door Test |  Operations Fishbone Diagram |  Operations Failure Mode and Effects 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 1-3 h Setup, laufend | 1-5 Tage | 30-60 min | 2-6 h |
Participantsdifferent | 1 | Nutzertraffic | 2-8 | 3-10 |
Formatdifferent | Async | Async | Workshop | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Click Data, Interest Signal, Learning Decision | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | KnowledgeProductivityOrganization | ValidationExperimentsDemandDiscovery | Root causeQualityOperations | RiskQualityOperationsRoot cause |