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| Criterion |  Product Discovery Kano Model |  Product Strategy Lean Canvas |  Agile WSJF |  Operations 5 Whys |
|---|---|---|---|---|
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 an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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 | Medium | High | Low |
Timedifferent | 1-2 Tage | 45-90 min | 45-90 min | 15-30 min |
Participantsdifferent | 10-50 | 1-6 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Lean Canvas, Core Assumptions, Experiment Backlog | Ranked Backlog, Cost-of-Delay Assumptions | Root cause notes, Countermeasures |
Tagsno overlap | SatisfactionPrioritizationCustomer | StartupLeanAssumptionsBusiness model | LeanEconomicsSequencePrioritization | Root causeIncidentLeanProblem solving |