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| Criterion |  Product Discovery Kano Model |  Operations Ivy Lee Method |  UX Research Empathy Mapping |  Operations Eat the Frog |
|---|---|---|---|---|
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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 5-10 min daily | 30–60 min | 15-90 min daily |
Participantsdifferent | 10-50 | 1 | 4-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Daily Priority List, Completion Notes | Empathy Map, Assumptions List, Research Gaps | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | SatisfactionPrioritizationCustomer | PrioritizationProductivityExecution | SynthesisQualitativeWorkshop | PrioritizationProductivityFocusExecution |