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| Criterion |  Product Discovery Kano Model |  Agile WSJF |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 1-2 Tage | 45-90 min | 2-6 h | 2-4 h |
Participantsdifferent | 10-50 | 3-10 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Ranked Backlog, Cost-of-Delay Assumptions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | SatisfactionPrioritizationCustomer | LeanEconomicsSequencePrioritization | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |