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| Criterion |  Product Discovery Kano Model |  Operations Getting Things Done |  UX Research Affinity Diagramming |  Operations Ivy Lee Method |
|---|---|---|---|---|
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 many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-2 h Setup, laufend | 45–90 min | 5-10 min daily |
Participantsdifferent | 10-50 | 1 | 3-10 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Action Lists, Project List, Review Routine | Theme clusters, Insight statements, Opportunity areas | Daily Priority List, Completion Notes |
Tagsno overlap | SatisfactionPrioritizationCustomer | ProductivityPlanningTasksExecution | SynthesisQualitativeRoot cause | PrioritizationProductivityExecution |